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Finding the Fourth Proportional to 7,352.45, 11,010.45 and 4,715.90

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Solution

The fourth proportional to 7,352.45, 11,010.45 and 4,715.90 is: 7,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.45 : 11,010.45 = 4,715.90 : x
  2. Step 2: Convert to fraction form
    7,352.45/11,010.45 = 4,715.90/x
  3. Step 3: Cross multiply
    7,352.45x = 11,010.45 × 4,715.90
  4. Step 4: Simplify right side
    7,352.45x = 51,924,181.16
  5. Step 5: Solve for x
    x = 51,924,181.16/7,352.45
  6. Step 6: Final answer
    x = 7,062.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.