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Finding the Fourth Proportional to 8,803.74, 12,154.44 and 5,268.12

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Solution

The fourth proportional to 8,803.74, 12,154.44 and 5,268.12 is: 7,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.74 : 12,154.44 = 5,268.12 : x
  2. Step 2: Convert to fraction form
    8,803.74/12,154.44 = 5,268.12/x
  3. Step 3: Cross multiply
    8,803.74x = 12,154.44 × 5,268.12
  4. Step 4: Simplify right side
    8,803.74x = 64,031,048.45
  5. Step 5: Solve for x
    x = 64,031,048.45/8,803.74
  6. Step 6: Final answer
    x = 7,273.16

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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.