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Finding the Fourth Proportional to 22,818.08, 34,230.40 and 7,230.40

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Solution

The fourth proportional to 22,818.08, 34,230.40 and 7,230.40 is: 10,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.08 : 34,230.40 = 7,230.40 : x
  2. Step 2: Convert to fraction form
    22,818.08/34,230.40 = 7,230.40/x
  3. Step 3: Cross multiply
    22,818.08x = 34,230.40 × 7,230.40
  4. Step 4: Simplify right side
    22,818.08x = 247,499,484.16
  5. Step 5: Solve for x
    x = 247,499,484.16/22,818.08
  6. Step 6: Final answer
    x = 10,846.64

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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.