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Finding the Fourth Proportional to 63,497.60, 87,628.80 and 38,342.08

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Solution

The fourth proportional to 63,497.60, 87,628.80 and 38,342.08 is: 52,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,497.60 : 87,628.80 = 38,342.08 : x
  2. Step 2: Convert to fraction form
    63,497.60/87,628.80 = 38,342.08/x
  3. Step 3: Cross multiply
    63,497.60x = 87,628.80 × 38,342.08
  4. Step 4: Simplify right side
    63,497.60x = 3,359,870,459.90
  5. Step 5: Solve for x
    x = 3,359,870,459.90/63,497.60
  6. Step 6: Final answer
    x = 52,913.35

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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.