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Finding the Fourth Proportional to 5,350.65, 8,019.49 and 4,702.65

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Solution

The fourth proportional to 5,350.65, 8,019.49 and 4,702.65 is: 7,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.65 : 8,019.49 = 4,702.65 : x
  2. Step 2: Convert to fraction form
    5,350.65/8,019.49 = 4,702.65/x
  3. Step 3: Cross multiply
    5,350.65x = 8,019.49 × 4,702.65
  4. Step 4: Simplify right side
    5,350.65x = 37,712,854.65
  5. Step 5: Solve for x
    x = 37,712,854.65/5,350.65
  6. Step 6: Final answer
    x = 7,048.28

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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.