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Finding the Fourth Proportional to 7,245.01, 10,866.93 and 2,862.55

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Solution

The fourth proportional to 7,245.01, 10,866.93 and 2,862.55 is: 4,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.01 : 10,866.93 = 2,862.55 : x
  2. Step 2: Convert to fraction form
    7,245.01/10,866.93 = 2,862.55/x
  3. Step 3: Cross multiply
    7,245.01x = 10,866.93 × 2,862.55
  4. Step 4: Simplify right side
    7,245.01x = 31,107,130.47
  5. Step 5: Solve for x
    x = 31,107,130.47/7,245.01
  6. Step 6: Final answer
    x = 4,293.59

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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.