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Finding the Fourth Proportional to 10,348.11, 15,516.18 and 7,065.18

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Solution

The fourth proportional to 10,348.11, 15,516.18 and 7,065.18 is: 10,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.11 : 15,516.18 = 7,065.18 : x
  2. Step 2: Convert to fraction form
    10,348.11/15,516.18 = 7,065.18/x
  3. Step 3: Cross multiply
    10,348.11x = 15,516.18 × 7,065.18
  4. Step 4: Simplify right side
    10,348.11x = 109,624,604.61
  5. Step 5: Solve for x
    x = 109,624,604.61/10,348.11
  6. Step 6: Final answer
    x = 10,593.68

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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.