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Finding the Fourth Proportional to 28,773.68, 39,711.04 and 17,443.04

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Solution

The fourth proportional to 28,773.68, 39,711.04 and 17,443.04 is: 24,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.68 : 39,711.04 = 17,443.04 : x
  2. Step 2: Convert to fraction form
    28,773.68/39,711.04 = 17,443.04/x
  3. Step 3: Cross multiply
    28,773.68x = 39,711.04 × 17,443.04
  4. Step 4: Simplify right side
    28,773.68x = 692,681,259.16
  5. Step 5: Solve for x
    x = 692,681,259.16/28,773.68
  6. Step 6: Final answer
    x = 24,073.43

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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.