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Finding the Fourth Proportional to 8,018.50, 11,065.80 and 4,482.76

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Solution

The fourth proportional to 8,018.50, 11,065.80 and 4,482.76 is: 6,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.50 : 11,065.80 = 4,482.76 : x
  2. Step 2: Convert to fraction form
    8,018.50/11,065.80 = 4,482.76/x
  3. Step 3: Cross multiply
    8,018.50x = 11,065.80 × 4,482.76
  4. Step 4: Simplify right side
    8,018.50x = 49,605,325.61
  5. Step 5: Solve for x
    x = 49,605,325.61/8,018.50
  6. Step 6: Final answer
    x = 6,186.36

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Half scale
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Double scale
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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.