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Finding the Fourth Proportional to 39,616.40, 59,424.60 and 37,672.40

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Solution

The fourth proportional to 39,616.40, 59,424.60 and 37,672.40 is: 56,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.40 : 59,424.60 = 37,672.40 : x
  2. Step 2: Convert to fraction form
    39,616.40/59,424.60 = 37,672.40/x
  3. Step 3: Cross multiply
    39,616.40x = 59,424.60 × 37,672.40
  4. Step 4: Simplify right side
    39,616.40x = 2,238,667,301.04
  5. Step 5: Solve for x
    x = 2,238,667,301.04/39,616.40
  6. Step 6: Final answer
    x = 56,508.60

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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.