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Finding the Fourth Proportional to 37,470.79, 56,205.78 and 9,390.52

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Solution

The fourth proportional to 37,470.79, 56,205.78 and 9,390.52 is: 14,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,470.79 : 56,205.78 = 9,390.52 : x
  2. Step 2: Convert to fraction form
    37,470.79/56,205.78 = 9,390.52/x
  3. Step 3: Cross multiply
    37,470.79x = 56,205.78 × 9,390.52
  4. Step 4: Simplify right side
    37,470.79x = 527,801,501.21
  5. Step 5: Solve for x
    x = 527,801,501.21/37,470.79
  6. Step 6: Final answer
    x = 14,085.68

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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.