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Finding the Fourth Proportional to 56,120.39, 77,459.39 and 32,260.90

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Solution

The fourth proportional to 56,120.39, 77,459.39 and 32,260.90 is: 44,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.39 : 77,459.39 = 32,260.90 : x
  2. Step 2: Convert to fraction form
    56,120.39/77,459.39 = 32,260.90/x
  3. Step 3: Cross multiply
    56,120.39x = 77,459.39 × 32,260.90
  4. Step 4: Simplify right side
    56,120.39x = 2,498,909,634.85
  5. Step 5: Solve for x
    x = 2,498,909,634.85/56,120.39
  6. Step 6: Final answer
    x = 44,527.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.