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Finding the Fourth Proportional to 22,920.56, 34,385.88 and 7,339.76

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Solution

The fourth proportional to 22,920.56, 34,385.88 and 7,339.76 is: 11,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.56 : 34,385.88 = 7,339.76 : x
  2. Step 2: Convert to fraction form
    22,920.56/34,385.88 = 7,339.76/x
  3. Step 3: Cross multiply
    22,920.56x = 34,385.88 × 7,339.76
  4. Step 4: Simplify right side
    22,920.56x = 252,384,106.59
  5. Step 5: Solve for x
    x = 252,384,106.59/22,920.56
  6. Step 6: Final answer
    x = 11,011.25

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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.