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Finding the Fourth Proportional to 9,655.52, 13,324.88 and 5,464

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Solution

The fourth proportional to 9,655.52, 13,324.88 and 5,464 is: 7,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.52 : 13,324.88 = 5,464 : x
  2. Step 2: Convert to fraction form
    9,655.52/13,324.88 = 5,464/x
  3. Step 3: Cross multiply
    9,655.52x = 13,324.88 × 5,464
  4. Step 4: Simplify right side
    9,655.52x = 72,807,144.32
  5. Step 5: Solve for x
    x = 72,807,144.32/9,655.52
  6. Step 6: Final answer
    x = 7,540.47

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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.