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Finding the Fourth Proportional to 7,250.76, 10,875.56 and 2,868.26

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Solution

The fourth proportional to 7,250.76, 10,875.56 and 2,868.26 is: 4,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.76 : 10,875.56 = 2,868.26 : x
  2. Step 2: Convert to fraction form
    7,250.76/10,875.56 = 2,868.26/x
  3. Step 3: Cross multiply
    7,250.76x = 10,875.56 × 2,868.26
  4. Step 4: Simplify right side
    7,250.76x = 31,193,865.01
  5. Step 5: Solve for x
    x = 31,193,865.01/7,250.76
  6. Step 6: Final answer
    x = 4,302.15

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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.