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Finding the Fourth Proportional to 7,045.76, 10,571.20 and 3,300.88

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Solution

The fourth proportional to 7,045.76, 10,571.20 and 3,300.88 is: 4,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.76 : 10,571.20 = 3,300.88 : x
  2. Step 2: Convert to fraction form
    7,045.76/10,571.20 = 3,300.88/x
  3. Step 3: Cross multiply
    7,045.76x = 10,571.20 × 3,300.88
  4. Step 4: Simplify right side
    7,045.76x = 34,894,262.66
  5. Step 5: Solve for x
    x = 34,894,262.66/7,045.76
  6. Step 6: Final answer
    x = 4,952.52

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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.