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Finding the Fourth Proportional to 9,593.76, 13,240.60 and 5,402

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Solution

The fourth proportional to 9,593.76, 13,240.60 and 5,402 is: 7,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,593.76 : 13,240.60 = 5,402 : x
  2. Step 2: Convert to fraction form
    9,593.76/13,240.60 = 5,402/x
  3. Step 3: Cross multiply
    9,593.76x = 13,240.60 × 5,402
  4. Step 4: Simplify right side
    9,593.76x = 71,525,721.20
  5. Step 5: Solve for x
    x = 71,525,721.20/9,593.76
  6. Step 6: Final answer
    x = 7,455.44

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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.