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Finding the Fourth Proportional to 25,385.57, 35,032.11 and 14,207.57

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Solution

The fourth proportional to 25,385.57, 35,032.11 and 14,207.57 is: 19,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.57 : 35,032.11 = 14,207.57 : x
  2. Step 2: Convert to fraction form
    25,385.57/35,032.11 = 14,207.57/x
  3. Step 3: Cross multiply
    25,385.57x = 35,032.11 × 14,207.57
  4. Step 4: Simplify right side
    25,385.57x = 497,720,979.91
  5. Step 5: Solve for x
    x = 497,720,979.91/25,385.57
  6. Step 6: Final answer
    x = 19,606.46

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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.