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Finding the Fourth Proportional to 8,806.14, 12,152.58 and 4,827.17

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Solution

The fourth proportional to 8,806.14, 12,152.58 and 4,827.17 is: 6,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.14 : 12,152.58 = 4,827.17 : x
  2. Step 2: Convert to fraction form
    8,806.14/12,152.58 = 4,827.17/x
  3. Step 3: Cross multiply
    8,806.14x = 12,152.58 × 4,827.17
  4. Step 4: Simplify right side
    8,806.14x = 58,662,569.60
  5. Step 5: Solve for x
    x = 58,662,569.60/8,806.14
  6. Step 6: Final answer
    x = 6,661.55

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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.