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Finding the Fourth Proportional to 7,534, 10,396.92 and 4,590

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Solution

The fourth proportional to 7,534, 10,396.92 and 4,590 is: 6,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534 : 10,396.92 = 4,590 : x
  2. Step 2: Convert to fraction form
    7,534/10,396.92 = 4,590/x
  3. Step 3: Cross multiply
    7,534x = 10,396.92 × 4,590
  4. Step 4: Simplify right side
    7,534x = 47,721,862.80
  5. Step 5: Solve for x
    x = 47,721,862.80/7,534
  6. Step 6: Final answer
    x = 6,334.20

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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.