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Finding the Fourth Proportional to 8,880.84, 13,263.68 and 8,046.24

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Solution

The fourth proportional to 8,880.84, 13,263.68 and 8,046.24 is: 12,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.84 : 13,263.68 = 8,046.24 : x
  2. Step 2: Convert to fraction form
    8,880.84/13,263.68 = 8,046.24/x
  3. Step 3: Cross multiply
    8,880.84x = 13,263.68 × 8,046.24
  4. Step 4: Simplify right side
    8,880.84x = 106,722,722.94
  5. Step 5: Solve for x
    x = 106,722,722.94/8,880.84
  6. Step 6: Final answer
    x = 12,017.19

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1.5x scale

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.