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Finding the Fourth Proportional to 10,065.93, 15,031.07 and 8,220.62

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Solution

The fourth proportional to 10,065.93, 15,031.07 and 8,220.62 is: 12,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.93 : 15,031.07 = 8,220.62 : x
  2. Step 2: Convert to fraction form
    10,065.93/15,031.07 = 8,220.62/x
  3. Step 3: Cross multiply
    10,065.93x = 15,031.07 × 8,220.62
  4. Step 4: Simplify right side
    10,065.93x = 123,564,598.40
  5. Step 5: Solve for x
    x = 123,564,598.40/10,065.93
  6. Step 6: Final answer
    x = 12,275.53

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