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Finding the Fourth Proportional to 7,155.84, 10,733.04 and 3,259.20

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Solution

The fourth proportional to 7,155.84, 10,733.04 and 3,259.20 is: 4,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.84 : 10,733.04 = 3,259.20 : x
  2. Step 2: Convert to fraction form
    7,155.84/10,733.04 = 3,259.20/x
  3. Step 3: Cross multiply
    7,155.84x = 10,733.04 × 3,259.20
  4. Step 4: Simplify right side
    7,155.84x = 34,981,123.97
  5. Step 5: Solve for x
    x = 34,981,123.97/7,155.84
  6. Step 6: Final answer
    x = 4,888.47

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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.