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Finding the Fourth Proportional to 7,240.52, 10,862.65 and 4,241.09

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Solution

The fourth proportional to 7,240.52, 10,862.65 and 4,241.09 is: 6,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.52 : 10,862.65 = 4,241.09 : x
  2. Step 2: Convert to fraction form
    7,240.52/10,862.65 = 4,241.09/x
  3. Step 3: Cross multiply
    7,240.52x = 10,862.65 × 4,241.09
  4. Step 4: Simplify right side
    7,240.52x = 46,069,400.77
  5. Step 5: Solve for x
    x = 46,069,400.77/7,240.52
  6. Step 6: Final answer
    x = 6,362.72

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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.