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Finding the Fourth Proportional to 18,118.85, 24,998.04 and 10,946.08

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Solution

The fourth proportional to 18,118.85, 24,998.04 and 10,946.08 is: 15,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.85 : 24,998.04 = 10,946.08 : x
  2. Step 2: Convert to fraction form
    18,118.85/24,998.04 = 10,946.08/x
  3. Step 3: Cross multiply
    18,118.85x = 24,998.04 × 10,946.08
  4. Step 4: Simplify right side
    18,118.85x = 273,630,490.95
  5. Step 5: Solve for x
    x = 273,630,490.95/18,118.85
  6. Step 6: Final answer
    x = 15,101.98

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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.