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Finding the Fourth Proportional to 55,652.96, 83,387.64 and 40,867.76

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Solution

The fourth proportional to 55,652.96, 83,387.64 and 40,867.76 is: 61,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.96 : 83,387.64 = 40,867.76 : x
  2. Step 2: Convert to fraction form
    55,652.96/83,387.64 = 40,867.76/x
  3. Step 3: Cross multiply
    55,652.96x = 83,387.64 × 40,867.76
  4. Step 4: Simplify right side
    55,652.96x = 3,407,866,058.49
  5. Step 5: Solve for x
    x = 3,407,866,058.49/55,652.96
  6. Step 6: Final answer
    x = 61,234.23

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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.