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Finding the Fourth Proportional to 65,250.59, 97,882.37 and 20,866.19

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Solution

The fourth proportional to 65,250.59, 97,882.37 and 20,866.19 is: 31,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.59 : 97,882.37 = 20,866.19 : x
  2. Step 2: Convert to fraction form
    65,250.59/97,882.37 = 20,866.19/x
  3. Step 3: Cross multiply
    65,250.59x = 97,882.37 × 20,866.19
  4. Step 4: Simplify right side
    65,250.59x = 2,042,432,130.07
  5. Step 5: Solve for x
    x = 2,042,432,130.07/65,250.59
  6. Step 6: Final answer
    x = 31,301.36

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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.