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Finding the Fourth Proportional to 58,444.74, 87,729.11 and 47,483.77

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Solution

The fourth proportional to 58,444.74, 87,729.11 and 47,483.77 is: 71,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,444.74 : 87,729.11 = 47,483.77 : x
  2. Step 2: Convert to fraction form
    58,444.74/87,729.11 = 47,483.77/x
  3. Step 3: Cross multiply
    58,444.74x = 87,729.11 × 47,483.77
  4. Step 4: Simplify right side
    58,444.74x = 4,165,708,767.36
  5. Step 5: Solve for x
    x = 4,165,708,767.36/58,444.74
  6. Step 6: Final answer
    x = 71,276.03

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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.