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Finding the Fourth Proportional to 10,350.76, 15,525.78 and 2,955.22

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Solution

The fourth proportional to 10,350.76, 15,525.78 and 2,955.22 is: 4,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.76 : 15,525.78 = 2,955.22 : x
  2. Step 2: Convert to fraction form
    10,350.76/15,525.78 = 2,955.22/x
  3. Step 3: Cross multiply
    10,350.76x = 15,525.78 × 2,955.22
  4. Step 4: Simplify right side
    10,350.76x = 45,882,095.57
  5. Step 5: Solve for x
    x = 45,882,095.57/10,350.76
  6. Step 6: Final answer
    x = 4,432.73

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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.