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Finding the Fourth Proportional to 7,550.28, 10,422.95 and 5,867.64

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Solution

The fourth proportional to 7,550.28, 10,422.95 and 5,867.64 is: 8,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.28 : 10,422.95 = 5,867.64 : x
  2. Step 2: Convert to fraction form
    7,550.28/10,422.95 = 5,867.64/x
  3. Step 3: Cross multiply
    7,550.28x = 10,422.95 × 5,867.64
  4. Step 4: Simplify right side
    7,550.28x = 61,158,089.00
  5. Step 5: Solve for x
    x = 61,158,089.00/7,550.28
  6. Step 6: Final answer
    x = 8,100.11

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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.