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Finding the Fourth Proportional to 63,658.72, 95,498.41 and 21,541.40

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Solution

The fourth proportional to 63,658.72, 95,498.41 and 21,541.40 is: 32,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,658.72 : 95,498.41 = 21,541.40 : x
  2. Step 2: Convert to fraction form
    63,658.72/95,498.41 = 21,541.40/x
  3. Step 3: Cross multiply
    63,658.72x = 95,498.41 × 21,541.40
  4. Step 4: Simplify right side
    63,658.72x = 2,057,169,449.17
  5. Step 5: Solve for x
    x = 2,057,169,449.17/63,658.72
  6. Step 6: Final answer
    x = 32,315.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.