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Finding the Fourth Proportional to 63,432.72, 87,537.84 and 35,140.08

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Solution

The fourth proportional to 63,432.72, 87,537.84 and 35,140.08 is: 48,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,432.72 : 87,537.84 = 35,140.08 : x
  2. Step 2: Convert to fraction form
    63,432.72/87,537.84 = 35,140.08/x
  3. Step 3: Cross multiply
    63,432.72x = 87,537.84 × 35,140.08
  4. Step 4: Simplify right side
    63,432.72x = 3,076,086,700.63
  5. Step 5: Solve for x
    x = 3,076,086,700.63/63,432.72
  6. Step 6: Final answer
    x = 48,493.69

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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.