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Finding the Fourth Proportional to 32,407.38, 44,721.99 and 18,264.78

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Solution

The fourth proportional to 32,407.38, 44,721.99 and 18,264.78 is: 25,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,407.38 : 44,721.99 = 18,264.78 : x
  2. Step 2: Convert to fraction form
    32,407.38/44,721.99 = 18,264.78/x
  3. Step 3: Cross multiply
    32,407.38x = 44,721.99 × 18,264.78
  4. Step 4: Simplify right side
    32,407.38x = 816,837,308.51
  5. Step 5: Solve for x
    x = 816,837,308.51/32,407.38
  6. Step 6: Final answer
    x = 25,205.29

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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.