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Finding the Fourth Proportional to 63,970.90, 95,908.96 and 30,659.26

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Solution

The fourth proportional to 63,970.90, 95,908.96 and 30,659.26 is: 45,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,970.90 : 95,908.96 = 30,659.26 : x
  2. Step 2: Convert to fraction form
    63,970.90/95,908.96 = 30,659.26/x
  3. Step 3: Cross multiply
    63,970.90x = 95,908.96 × 30,659.26
  4. Step 4: Simplify right side
    63,970.90x = 2,940,497,740.97
  5. Step 5: Solve for x
    x = 2,940,497,740.97/63,970.90
  6. Step 6: Final answer
    x = 45,966.18

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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.