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Finding the Fourth Proportional to 8,008.02, 11,060.10 and 7,898.76

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Solution

The fourth proportional to 8,008.02, 11,060.10 and 7,898.76 is: 10,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.02 : 11,060.10 = 7,898.76 : x
  2. Step 2: Convert to fraction form
    8,008.02/11,060.10 = 7,898.76/x
  3. Step 3: Cross multiply
    8,008.02x = 11,060.10 × 7,898.76
  4. Step 4: Simplify right side
    8,008.02x = 87,361,075.48
  5. Step 5: Solve for x
    x = 87,361,075.48/8,008.02
  6. Step 6: Final answer
    x = 10,909.20

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Half scale
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Double scale
Find fourth proportional to 8,009.02, 11,061.48 and 7,899.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.