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Finding the Fourth Proportional to 8,803.04, 12,144.13 and 5,074.88

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Solution

The fourth proportional to 8,803.04, 12,144.13 and 5,074.88 is: 7,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.04 : 12,144.13 = 5,074.88 : x
  2. Step 2: Convert to fraction form
    8,803.04/12,144.13 = 5,074.88/x
  3. Step 3: Cross multiply
    8,803.04x = 12,144.13 × 5,074.88
  4. Step 4: Simplify right side
    8,803.04x = 61,629,929.05
  5. Step 5: Solve for x
    x = 61,629,929.05/8,803.04
  6. Step 6: Final answer
    x = 7,000.99

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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.