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Finding the Fourth Proportional to 2,225.07, 3,333.93 and 763.41

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Solution

The fourth proportional to 2,225.07, 3,333.93 and 763.41 is: 1,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.07 : 3,333.93 = 763.41 : x
  2. Step 2: Convert to fraction form
    2,225.07/3,333.93 = 763.41/x
  3. Step 3: Cross multiply
    2,225.07x = 3,333.93 × 763.41
  4. Step 4: Simplify right side
    2,225.07x = 2,545,155.50
  5. Step 5: Solve for x
    x = 2,545,155.50/2,225.07
  6. Step 6: Final answer
    x = 1,143.85

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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.