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Finding the Fourth Proportional to 8,827.16, 12,176.88 and 5,468.90

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Solution

The fourth proportional to 8,827.16, 12,176.88 and 5,468.90 is: 7,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.16 : 12,176.88 = 5,468.90 : x
  2. Step 2: Convert to fraction form
    8,827.16/12,176.88 = 5,468.90/x
  3. Step 3: Cross multiply
    8,827.16x = 12,176.88 × 5,468.90
  4. Step 4: Simplify right side
    8,827.16x = 66,594,139.03
  5. Step 5: Solve for x
    x = 66,594,139.03/8,827.16
  6. Step 6: Final answer
    x = 7,544.23

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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.