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Finding the Fourth Proportional to 11,562.95, 15,963.75 and 7,591.03

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Solution

The fourth proportional to 11,562.95, 15,963.75 and 7,591.03 is: 10,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.95 : 15,963.75 = 7,591.03 : x
  2. Step 2: Convert to fraction form
    11,562.95/15,963.75 = 7,591.03/x
  3. Step 3: Cross multiply
    11,562.95x = 15,963.75 × 7,591.03
  4. Step 4: Simplify right side
    11,562.95x = 121,181,265.25
  5. Step 5: Solve for x
    x = 121,181,265.25/11,562.95
  6. Step 6: Final answer
    x = 10,480.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.