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Finding the Fourth Proportional to 65,935.68, 98,920.80 and 29,008.32

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Solution

The fourth proportional to 65,935.68, 98,920.80 and 29,008.32 is: 43,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,935.68 : 98,920.80 = 29,008.32 : x
  2. Step 2: Convert to fraction form
    65,935.68/98,920.80 = 29,008.32/x
  3. Step 3: Cross multiply
    65,935.68x = 98,920.80 × 29,008.32
  4. Step 4: Simplify right side
    65,935.68x = 2,869,526,221.06
  5. Step 5: Solve for x
    x = 2,869,526,221.06/65,935.68
  6. Step 6: Final answer
    x = 43,520.08

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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.