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Finding the Fourth Proportional to 9,324.61, 12,868.82 and 5,133.13

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Solution

The fourth proportional to 9,324.61, 12,868.82 and 5,133.13 is: 7,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.61 : 12,868.82 = 5,133.13 : x
  2. Step 2: Convert to fraction form
    9,324.61/12,868.82 = 5,133.13/x
  3. Step 3: Cross multiply
    9,324.61x = 12,868.82 × 5,133.13
  4. Step 4: Simplify right side
    9,324.61x = 66,057,326.01
  5. Step 5: Solve for x
    x = 66,057,326.01/9,324.61
  6. Step 6: Final answer
    x = 7,084.19

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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.