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Finding the Fourth Proportional to 63,461.80, 95,174.16 and 21,337.12

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Solution

The fourth proportional to 63,461.80, 95,174.16 and 21,337.12 is: 31,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,461.80 : 95,174.16 = 21,337.12 : x
  2. Step 2: Convert to fraction form
    63,461.80/95,174.16 = 21,337.12/x
  3. Step 3: Cross multiply
    63,461.80x = 95,174.16 × 21,337.12
  4. Step 4: Simplify right side
    63,461.80x = 2,030,742,472.82
  5. Step 5: Solve for x
    x = 2,030,742,472.82/63,461.80
  6. Step 6: Final answer
    x = 31,999.45

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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.