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Finding the Fourth Proportional to 8,870.52, 13,314 and 4,491.02

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Solution

The fourth proportional to 8,870.52, 13,314 and 4,491.02 is: 6,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.52 : 13,314 = 4,491.02 : x
  2. Step 2: Convert to fraction form
    8,870.52/13,314 = 4,491.02/x
  3. Step 3: Cross multiply
    8,870.52x = 13,314 × 4,491.02
  4. Step 4: Simplify right side
    8,870.52x = 59,793,440.28
  5. Step 5: Solve for x
    x = 59,793,440.28/8,870.52
  6. Step 6: Final answer
    x = 6,740.69

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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.