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Finding the Fourth Proportional to 55,657.83, 83,497.68 and 20,597.79

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Solution

The fourth proportional to 55,657.83, 83,497.68 and 20,597.79 is: 30,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.83 : 83,497.68 = 20,597.79 : x
  2. Step 2: Convert to fraction form
    55,657.83/83,497.68 = 20,597.79/x
  3. Step 3: Cross multiply
    55,657.83x = 83,497.68 × 20,597.79
  4. Step 4: Simplify right side
    55,657.83x = 1,719,867,678.13
  5. Step 5: Solve for x
    x = 1,719,867,678.13/55,657.83
  6. Step 6: Final answer
    x = 30,900.73

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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.