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Finding the Fourth Proportional to 10,343.95, 15,398.92 and 10,282.44

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Solution

The fourth proportional to 10,343.95, 15,398.92 and 10,282.44 is: 15,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.95 : 15,398.92 = 10,282.44 : x
  2. Step 2: Convert to fraction form
    10,343.95/15,398.92 = 10,282.44/x
  3. Step 3: Cross multiply
    10,343.95x = 15,398.92 × 10,282.44
  4. Step 4: Simplify right side
    10,343.95x = 158,338,470.96
  5. Step 5: Solve for x
    x = 158,338,470.96/10,343.95
  6. Step 6: Final answer
    x = 15,307.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.