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Finding the Fourth Proportional to 9,936.01, 13,711.99 and 5,459.90

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Solution

The fourth proportional to 9,936.01, 13,711.99 and 5,459.90 is: 7,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.01 : 13,711.99 = 5,459.90 : x
  2. Step 2: Convert to fraction form
    9,936.01/13,711.99 = 5,459.90/x
  3. Step 3: Cross multiply
    9,936.01x = 13,711.99 × 5,459.90
  4. Step 4: Simplify right side
    9,936.01x = 74,866,025.64
  5. Step 5: Solve for x
    x = 74,866,025.64/9,936.01
  6. Step 6: Final answer
    x = 7,534.82

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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.