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Finding the Fourth Proportional to 55,597.54, 76,724.50 and 30,103.92

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Solution

The fourth proportional to 55,597.54, 76,724.50 and 30,103.92 is: 41,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597.54 : 76,724.50 = 30,103.92 : x
  2. Step 2: Convert to fraction form
    55,597.54/76,724.50 = 30,103.92/x
  3. Step 3: Cross multiply
    55,597.54x = 76,724.50 × 30,103.92
  4. Step 4: Simplify right side
    55,597.54x = 2,309,708,210.04
  5. Step 5: Solve for x
    x = 2,309,708,210.04/55,597.54
  6. Step 6: Final answer
    x = 41,543.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.