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Finding the Fourth Proportional to 5,440.66, 8,124 and 5,132.65

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Solution

The fourth proportional to 5,440.66, 8,124 and 5,132.65 is: 7,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.66 : 8,124 = 5,132.65 : x
  2. Step 2: Convert to fraction form
    5,440.66/8,124 = 5,132.65/x
  3. Step 3: Cross multiply
    5,440.66x = 8,124 × 5,132.65
  4. Step 4: Simplify right side
    5,440.66x = 41,697,648.60
  5. Step 5: Solve for x
    x = 41,697,648.60/5,440.66
  6. Step 6: Final answer
    x = 7,664.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.