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Finding the Fourth Proportional to 55,995.29, 77,267.90 and 34,481.59

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Solution

The fourth proportional to 55,995.29, 77,267.90 and 34,481.59 is: 47,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.29 : 77,267.90 = 34,481.59 : x
  2. Step 2: Convert to fraction form
    55,995.29/77,267.90 = 34,481.59/x
  3. Step 3: Cross multiply
    55,995.29x = 77,267.90 × 34,481.59
  4. Step 4: Simplify right side
    55,995.29x = 2,664,319,875.55
  5. Step 5: Solve for x
    x = 2,664,319,875.55/55,995.29
  6. Step 6: Final answer
    x = 47,581.14

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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.