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Finding the Fourth Proportional to 62,423.34, 86,189.34 and 38,582.70

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Solution

The fourth proportional to 62,423.34, 86,189.34 and 38,582.70 is: 53,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,423.34 : 86,189.34 = 38,582.70 : x
  2. Step 2: Convert to fraction form
    62,423.34/86,189.34 = 38,582.70/x
  3. Step 3: Cross multiply
    62,423.34x = 86,189.34 × 38,582.70
  4. Step 4: Simplify right side
    62,423.34x = 3,325,417,448.42
  5. Step 5: Solve for x
    x = 3,325,417,448.42/62,423.34
  6. Step 6: Final answer
    x = 53,272.02

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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.