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Finding the Fourth Proportional to 18,461.04, 27,649.92 and 8,579.52

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Solution

The fourth proportional to 18,461.04, 27,649.92 and 8,579.52 is: 12,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.04 : 27,649.92 = 8,579.52 : x
  2. Step 2: Convert to fraction form
    18,461.04/27,649.92 = 8,579.52/x
  3. Step 3: Cross multiply
    18,461.04x = 27,649.92 × 8,579.52
  4. Step 4: Simplify right side
    18,461.04x = 237,223,041.64
  5. Step 5: Solve for x
    x = 237,223,041.64/18,461.04
  6. Step 6: Final answer
    x = 12,849.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.