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Finding the Fourth Proportional to 58,475.80, 87,714.52 and 19,033.12

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Solution

The fourth proportional to 58,475.80, 87,714.52 and 19,033.12 is: 28,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,475.80 : 87,714.52 = 19,033.12 : x
  2. Step 2: Convert to fraction form
    58,475.80/87,714.52 = 19,033.12/x
  3. Step 3: Cross multiply
    58,475.80x = 87,714.52 × 19,033.12
  4. Step 4: Simplify right side
    58,475.80x = 1,669,480,984.90
  5. Step 5: Solve for x
    x = 1,669,480,984.90/58,475.80
  6. Step 6: Final answer
    x = 28,549.95

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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.