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Finding the Fourth Proportional to 67,543.52, 101,314.16 and 25,999.52

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Solution

The fourth proportional to 67,543.52, 101,314.16 and 25,999.52 is: 38,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,543.52 : 101,314.16 = 25,999.52 : x
  2. Step 2: Convert to fraction form
    67,543.52/101,314.16 = 25,999.52/x
  3. Step 3: Cross multiply
    67,543.52x = 101,314.16 × 25,999.52
  4. Step 4: Simplify right side
    67,543.52x = 2,634,119,529.20
  5. Step 5: Solve for x
    x = 2,634,119,529.20/67,543.52
  6. Step 6: Final answer
    x = 38,998.85

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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.