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Finding the Fourth Proportional to 58,751.70, 88,127.55 and 19,299.30

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Solution

The fourth proportional to 58,751.70, 88,127.55 and 19,299.30 is: 28,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,751.70 : 88,127.55 = 19,299.30 : x
  2. Step 2: Convert to fraction form
    58,751.70/88,127.55 = 19,299.30/x
  3. Step 3: Cross multiply
    58,751.70x = 88,127.55 × 19,299.30
  4. Step 4: Simplify right side
    58,751.70x = 1,700,800,025.72
  5. Step 5: Solve for x
    x = 1,700,800,025.72/58,751.70
  6. Step 6: Final answer
    x = 28,948.95

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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.