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Finding the Fourth Proportional to 48,534,092.91, 66,978,498.65 and 26,508,631.39

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Solution

The fourth proportional to 48,534,092.91, 66,978,498.65 and 26,508,631.39 is: 36,582,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,534,092.91 : 66,978,498.65 = 26,508,631.39 : x
  2. Step 2: Convert to fraction form
    48,534,092.91/66,978,498.65 = 26,508,631.39/x
  3. Step 3: Cross multiply
    48,534,092.91x = 66,978,498.65 × 26,508,631.39
  4. Step 4: Simplify right side
    48,534,092.91x = 1,775,508,331,468,473.25
  5. Step 5: Solve for x
    x = 1,775,508,331,468,473.25/48,534,092.91
  6. Step 6: Final answer
    x = 36,582,703.52

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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.