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Finding the Fourth Proportional to 39,178.58, 58,766.05 and 9,594.85

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Solution

The fourth proportional to 39,178.58, 58,766.05 and 9,594.85 is: 14,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.58 : 58,766.05 = 9,594.85 : x
  2. Step 2: Convert to fraction form
    39,178.58/58,766.05 = 9,594.85/x
  3. Step 3: Cross multiply
    39,178.58x = 58,766.05 × 9,594.85
  4. Step 4: Simplify right side
    39,178.58x = 563,851,386.87
  5. Step 5: Solve for x
    x = 563,851,386.87/39,178.58
  6. Step 6: Final answer
    x = 14,391.83

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1.5x scale

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.