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Finding the Fourth Proportional to 8,899.04, 12,282.18 and 5,314.52

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Solution

The fourth proportional to 8,899.04, 12,282.18 and 5,314.52 is: 7,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.04 : 12,282.18 = 5,314.52 : x
  2. Step 2: Convert to fraction form
    8,899.04/12,282.18 = 5,314.52/x
  3. Step 3: Cross multiply
    8,899.04x = 12,282.18 × 5,314.52
  4. Step 4: Simplify right side
    8,899.04x = 65,273,891.25
  5. Step 5: Solve for x
    x = 65,273,891.25/8,899.04
  6. Step 6: Final answer
    x = 7,334.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.