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Finding the Fourth Proportional to 55,572.68, 83,365.88 and 18,122.74

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Solution

The fourth proportional to 55,572.68, 83,365.88 and 18,122.74 is: 27,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,572.68 : 83,365.88 = 18,122.74 : x
  2. Step 2: Convert to fraction form
    55,572.68/83,365.88 = 18,122.74/x
  3. Step 3: Cross multiply
    55,572.68x = 83,365.88 × 18,122.74
  4. Step 4: Simplify right side
    55,572.68x = 1,510,817,869.08
  5. Step 5: Solve for x
    x = 1,510,817,869.08/55,572.68
  6. Step 6: Final answer
    x = 27,186.34

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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.