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Finding the Fourth Proportional to 62,800.74, 86,665.08 and 34,506.48

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Solution

The fourth proportional to 62,800.74, 86,665.08 and 34,506.48 is: 47,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,800.74 : 86,665.08 = 34,506.48 : x
  2. Step 2: Convert to fraction form
    62,800.74/86,665.08 = 34,506.48/x
  3. Step 3: Cross multiply
    62,800.74x = 86,665.08 × 34,506.48
  4. Step 4: Simplify right side
    62,800.74x = 2,990,506,849.72
  5. Step 5: Solve for x
    x = 2,990,506,849.72/62,800.74
  6. Step 6: Final answer
    x = 47,618.97

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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.