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Finding the Fourth Proportional to 63,412.78, 95,130.12 and 21,296.92

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Solution

The fourth proportional to 63,412.78, 95,130.12 and 21,296.92 is: 31,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,412.78 : 95,130.12 = 21,296.92 : x
  2. Step 2: Convert to fraction form
    63,412.78/95,130.12 = 21,296.92/x
  3. Step 3: Cross multiply
    63,412.78x = 95,130.12 × 21,296.92
  4. Step 4: Simplify right side
    63,412.78x = 2,025,978,555.23
  5. Step 5: Solve for x
    x = 2,025,978,555.23/63,412.78
  6. Step 6: Final answer
    x = 31,949.06

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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.