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Finding the Fourth Proportional to 5,560.29, 8,352.86 and 4,748.40

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Solution

The fourth proportional to 5,560.29, 8,352.86 and 4,748.40 is: 7,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.29 : 8,352.86 = 4,748.40 : x
  2. Step 2: Convert to fraction form
    5,560.29/8,352.86 = 4,748.40/x
  3. Step 3: Cross multiply
    5,560.29x = 8,352.86 × 4,748.40
  4. Step 4: Simplify right side
    5,560.29x = 39,662,696.68
  5. Step 5: Solve for x
    x = 39,662,696.68/5,560.29
  6. Step 6: Final answer
    x = 7,133.21

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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.