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Finding the Fourth Proportional to 63,445.87, 87,555.30 and 37,953.31

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Solution

The fourth proportional to 63,445.87, 87,555.30 and 37,953.31 is: 52,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,445.87 : 87,555.30 = 37,953.31 : x
  2. Step 2: Convert to fraction form
    63,445.87/87,555.30 = 37,953.31/x
  3. Step 3: Cross multiply
    63,445.87x = 87,555.30 × 37,953.31
  4. Step 4: Simplify right side
    63,445.87x = 3,323,013,459.48
  5. Step 5: Solve for x
    x = 3,323,013,459.48/63,445.87
  6. Step 6: Final answer
    x = 52,375.57

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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.