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Finding the Fourth Proportional to 39,417.60, 59,169.60 and 24,643.20

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Solution

The fourth proportional to 39,417.60, 59,169.60 and 24,643.20 is: 36,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,417.60 : 59,169.60 = 24,643.20 : x
  2. Step 2: Convert to fraction form
    39,417.60/59,169.60 = 24,643.20/x
  3. Step 3: Cross multiply
    39,417.60x = 59,169.60 × 24,643.20
  4. Step 4: Simplify right side
    39,417.60x = 1,458,128,286.72
  5. Step 5: Solve for x
    x = 1,458,128,286.72/39,417.60
  6. Step 6: Final answer
    x = 36,991.81

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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.