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Finding the Fourth Proportional to 58,729.76, 81,024 and 33,565.76

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Solution

The fourth proportional to 58,729.76, 81,024 and 33,565.76 is: 46,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,729.76 : 81,024 = 33,565.76 : x
  2. Step 2: Convert to fraction form
    58,729.76/81,024 = 33,565.76/x
  3. Step 3: Cross multiply
    58,729.76x = 81,024 × 33,565.76
  4. Step 4: Simplify right side
    58,729.76x = 2,719,632,138.24
  5. Step 5: Solve for x
    x = 2,719,632,138.24/58,729.76
  6. Step 6: Final answer
    x = 46,307.56

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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.