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Finding the Fourth Proportional to 9,604, 13,253.52 and 5,188

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Solution

The fourth proportional to 9,604, 13,253.52 and 5,188 is: 7,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,604 : 13,253.52 = 5,188 : x
  2. Step 2: Convert to fraction form
    9,604/13,253.52 = 5,188/x
  3. Step 3: Cross multiply
    9,604x = 13,253.52 × 5,188
  4. Step 4: Simplify right side
    9,604x = 68,759,261.76
  5. Step 5: Solve for x
    x = 68,759,261.76/9,604
  6. Step 6: Final answer
    x = 7,159.44

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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.