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Finding the Fourth Proportional to 9,243.54, 12,756.07 and 5,264.65

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Solution

The fourth proportional to 9,243.54, 12,756.07 and 5,264.65 is: 7,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.54 : 12,756.07 = 5,264.65 : x
  2. Step 2: Convert to fraction form
    9,243.54/12,756.07 = 5,264.65/x
  3. Step 3: Cross multiply
    9,243.54x = 12,756.07 × 5,264.65
  4. Step 4: Simplify right side
    9,243.54x = 67,156,243.93
  5. Step 5: Solve for x
    x = 67,156,243.93/9,243.54
  6. Step 6: Final answer
    x = 7,265.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.