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Finding the Fourth Proportional to 9,901.01, 13,662.36 and 5,651.75

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Solution

The fourth proportional to 9,901.01, 13,662.36 and 5,651.75 is: 7,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.01 : 13,662.36 = 5,651.75 : x
  2. Step 2: Convert to fraction form
    9,901.01/13,662.36 = 5,651.75/x
  3. Step 3: Cross multiply
    9,901.01x = 13,662.36 × 5,651.75
  4. Step 4: Simplify right side
    9,901.01x = 77,216,243.13
  5. Step 5: Solve for x
    x = 77,216,243.13/9,901.01
  6. Step 6: Final answer
    x = 7,798.82

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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.