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Finding the Fourth Proportional to 7,262.68, 10,898.88 and 2,645.68

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Solution

The fourth proportional to 7,262.68, 10,898.88 and 2,645.68 is: 3,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.68 : 10,898.88 = 2,645.68 : x
  2. Step 2: Convert to fraction form
    7,262.68/10,898.88 = 2,645.68/x
  3. Step 3: Cross multiply
    7,262.68x = 10,898.88 × 2,645.68
  4. Step 4: Simplify right side
    7,262.68x = 28,834,948.84
  5. Step 5: Solve for x
    x = 28,834,948.84/7,262.68
  6. Step 6: Final answer
    x = 3,970.29

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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.