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Finding the Fourth Proportional to 22,913.50, 34,375.62 and 7,117.72

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Solution

The fourth proportional to 22,913.50, 34,375.62 and 7,117.72 is: 10,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.50 : 34,375.62 = 7,117.72 : x
  2. Step 2: Convert to fraction form
    22,913.50/34,375.62 = 7,117.72/x
  3. Step 3: Cross multiply
    22,913.50x = 34,375.62 × 7,117.72
  4. Step 4: Simplify right side
    22,913.50x = 244,676,037.99
  5. Step 5: Solve for x
    x = 244,676,037.99/22,913.50
  6. Step 6: Final answer
    x = 10,678.25

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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.