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Finding the Fourth Proportional to 28,505.52, 39,278.52 and 24,241.68

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Solution

The fourth proportional to 28,505.52, 39,278.52 and 24,241.68 is: 33,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505.52 : 39,278.52 = 24,241.68 : x
  2. Step 2: Convert to fraction form
    28,505.52/39,278.52 = 24,241.68/x
  3. Step 3: Cross multiply
    28,505.52x = 39,278.52 × 24,241.68
  4. Step 4: Simplify right side
    28,505.52x = 952,177,312.71
  5. Step 5: Solve for x
    x = 952,177,312.71/28,505.52
  6. Step 6: Final answer
    x = 33,403.26

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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.