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Finding the Fourth Proportional to 5,492.08, 7,575.60 and 3,394

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Solution

The fourth proportional to 5,492.08, 7,575.60 and 3,394 is: 4,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.08 : 7,575.60 = 3,394 : x
  2. Step 2: Convert to fraction form
    5,492.08/7,575.60 = 3,394/x
  3. Step 3: Cross multiply
    5,492.08x = 7,575.60 × 3,394
  4. Step 4: Simplify right side
    5,492.08x = 25,711,586.40
  5. Step 5: Solve for x
    x = 25,711,586.40/5,492.08
  6. Step 6: Final answer
    x = 4,681.58

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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.