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Finding the Fourth Proportional to 39,149.80, 58,723.38 and 9,567.76

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Solution

The fourth proportional to 39,149.80, 58,723.38 and 9,567.76 is: 14,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.80 : 58,723.38 = 9,567.76 : x
  2. Step 2: Convert to fraction form
    39,149.80/58,723.38 = 9,567.76/x
  3. Step 3: Cross multiply
    39,149.80x = 58,723.38 × 9,567.76
  4. Step 4: Simplify right side
    39,149.80x = 561,851,206.23
  5. Step 5: Solve for x
    x = 561,851,206.23/39,149.80
  6. Step 6: Final answer
    x = 14,351.32

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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.