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Finding the Fourth Proportional to 8,003.68, 12,008.98 and 4,301.58

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Solution

The fourth proportional to 8,003.68, 12,008.98 and 4,301.58 is: 6,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.68 : 12,008.98 = 4,301.58 : x
  2. Step 2: Convert to fraction form
    8,003.68/12,008.98 = 4,301.58/x
  3. Step 3: Cross multiply
    8,003.68x = 12,008.98 × 4,301.58
  4. Step 4: Simplify right side
    8,003.68x = 51,657,588.19
  5. Step 5: Solve for x
    x = 51,657,588.19/8,003.68
  6. Step 6: Final answer
    x = 6,454.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.