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Finding the Fourth Proportional to 8,763.02, 12,097.38 and 5,579.52

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Solution

The fourth proportional to 8,763.02, 12,097.38 and 5,579.52 is: 7,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.02 : 12,097.38 = 5,579.52 : x
  2. Step 2: Convert to fraction form
    8,763.02/12,097.38 = 5,579.52/x
  3. Step 3: Cross multiply
    8,763.02x = 12,097.38 × 5,579.52
  4. Step 4: Simplify right side
    8,763.02x = 67,497,573.66
  5. Step 5: Solve for x
    x = 67,497,573.66/8,763.02
  6. Step 6: Final answer
    x = 7,702.55

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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.