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Finding the Fourth Proportional to 63,421.80, 95,045.22 and 47,822.28

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Solution

The fourth proportional to 63,421.80, 95,045.22 and 47,822.28 is: 71,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.80 : 95,045.22 = 47,822.28 : x
  2. Step 2: Convert to fraction form
    63,421.80/95,045.22 = 47,822.28/x
  3. Step 3: Cross multiply
    63,421.80x = 95,045.22 × 47,822.28
  4. Step 4: Simplify right side
    63,421.80x = 4,545,279,123.50
  5. Step 5: Solve for x
    x = 4,545,279,123.50/63,421.80
  6. Step 6: Final answer
    x = 71,667.46

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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.