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Finding the Fourth Proportional to 18,373.48, 27,572.48 and 6,686.70

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Solution

The fourth proportional to 18,373.48, 27,572.48 and 6,686.70 is: 10,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.48 : 27,572.48 = 6,686.70 : x
  2. Step 2: Convert to fraction form
    18,373.48/27,572.48 = 6,686.70/x
  3. Step 3: Cross multiply
    18,373.48x = 27,572.48 × 6,686.70
  4. Step 4: Simplify right side
    18,373.48x = 184,368,902.02
  5. Step 5: Solve for x
    x = 184,368,902.02/18,373.48
  6. Step 6: Final answer
    x = 10,034.51

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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.