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Finding the Fourth Proportional to 40,932.48, 61,398.48 and 10,537.56

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Solution

The fourth proportional to 40,932.48, 61,398.48 and 10,537.56 is: 15,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,932.48 : 61,398.48 = 10,537.56 : x
  2. Step 2: Convert to fraction form
    40,932.48/61,398.48 = 10,537.56/x
  3. Step 3: Cross multiply
    40,932.48x = 61,398.48 × 10,537.56
  4. Step 4: Simplify right side
    40,932.48x = 646,990,166.91
  5. Step 5: Solve for x
    x = 646,990,166.91/40,932.48
  6. Step 6: Final answer
    x = 15,806.28

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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.