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Finding the Fourth Proportional to 63,497.36, 87,629.12 and 37,998.87

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Solution

The fourth proportional to 63,497.36, 87,629.12 and 37,998.87 is: 52,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,497.36 : 87,629.12 = 37,998.87 : x
  2. Step 2: Convert to fraction form
    63,497.36/87,629.12 = 37,998.87/x
  3. Step 3: Cross multiply
    63,497.36x = 87,629.12 × 37,998.87
  4. Step 4: Simplify right side
    63,497.36x = 3,329,807,349.10
  5. Step 5: Solve for x
    x = 3,329,807,349.10/63,497.36
  6. Step 6: Final answer
    x = 52,440.10

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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.