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Finding the Fourth Proportional to 63,655.52, 87,841.36 and 36,798.72

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Solution

The fourth proportional to 63,655.52, 87,841.36 and 36,798.72 is: 50,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,655.52 : 87,841.36 = 36,798.72 : x
  2. Step 2: Convert to fraction form
    63,655.52/87,841.36 = 36,798.72/x
  3. Step 3: Cross multiply
    63,655.52x = 87,841.36 × 36,798.72
  4. Step 4: Simplify right side
    63,655.52x = 3,232,449,611.06
  5. Step 5: Solve for x
    x = 3,232,449,611.06/63,655.52
  6. Step 6: Final answer
    x = 50,780.35

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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.