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Finding the Fourth Proportional to 38,963.70, 58,445.55 and 15,606.90

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Solution

The fourth proportional to 38,963.70, 58,445.55 and 15,606.90 is: 23,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.70 : 58,445.55 = 15,606.90 : x
  2. Step 2: Convert to fraction form
    38,963.70/58,445.55 = 15,606.90/x
  3. Step 3: Cross multiply
    38,963.70x = 58,445.55 × 15,606.90
  4. Step 4: Simplify right side
    38,963.70x = 912,153,854.30
  5. Step 5: Solve for x
    x = 912,153,854.30/38,963.70
  6. Step 6: Final answer
    x = 23,410.35

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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.