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Finding the Fourth Proportional to 63,432.52, 87,538.80 and 35,140.84

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Solution

The fourth proportional to 63,432.52, 87,538.80 and 35,140.84 is: 48,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,432.52 : 87,538.80 = 35,140.84 : x
  2. Step 2: Convert to fraction form
    63,432.52/87,538.80 = 35,140.84/x
  3. Step 3: Cross multiply
    63,432.52x = 87,538.80 × 35,140.84
  4. Step 4: Simplify right side
    63,432.52x = 3,076,186,964.59
  5. Step 5: Solve for x
    x = 3,076,186,964.59/63,432.52
  6. Step 6: Final answer
    x = 48,495.42

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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.