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Finding the Fourth Proportional to 9,655.84, 13,325.58 and 5,464

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Solution

The fourth proportional to 9,655.84, 13,325.58 and 5,464 is: 7,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.84 : 13,325.58 = 5,464 : x
  2. Step 2: Convert to fraction form
    9,655.84/13,325.58 = 5,464/x
  3. Step 3: Cross multiply
    9,655.84x = 13,325.58 × 5,464
  4. Step 4: Simplify right side
    9,655.84x = 72,810,969.12
  5. Step 5: Solve for x
    x = 72,810,969.12/9,655.84
  6. Step 6: Final answer
    x = 7,540.61

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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.