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Finding the Fourth Proportional to 63,648.41, 95,472.90 and 19,275.57

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Solution

The fourth proportional to 63,648.41, 95,472.90 and 19,275.57 is: 28,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,648.41 : 95,472.90 = 19,275.57 : x
  2. Step 2: Convert to fraction form
    63,648.41/95,472.90 = 19,275.57/x
  3. Step 3: Cross multiply
    63,648.41x = 95,472.90 × 19,275.57
  4. Step 4: Simplify right side
    63,648.41x = 1,840,294,567.05
  5. Step 5: Solve for x
    x = 1,840,294,567.05/63,648.41
  6. Step 6: Final answer
    x = 28,913.44

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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.