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Finding the Fourth Proportional to 7,265.80, 10,869.90 and 6,302.60

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Solution

The fourth proportional to 7,265.80, 10,869.90 and 6,302.60 is: 9,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.80 : 10,869.90 = 6,302.60 : x
  2. Step 2: Convert to fraction form
    7,265.80/10,869.90 = 6,302.60/x
  3. Step 3: Cross multiply
    7,265.80x = 10,869.90 × 6,302.60
  4. Step 4: Simplify right side
    7,265.80x = 68,508,631.74
  5. Step 5: Solve for x
    x = 68,508,631.74/7,265.80
  6. Step 6: Final answer
    x = 9,428.92

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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.