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Finding the Fourth Proportional to 7,606.64, 10,504.42 and 7,192.50

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Solution

The fourth proportional to 7,606.64, 10,504.42 and 7,192.50 is: 9,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.64 : 10,504.42 = 7,192.50 : x
  2. Step 2: Convert to fraction form
    7,606.64/10,504.42 = 7,192.50/x
  3. Step 3: Cross multiply
    7,606.64x = 10,504.42 × 7,192.50
  4. Step 4: Simplify right side
    7,606.64x = 75,553,040.85
  5. Step 5: Solve for x
    x = 75,553,040.85/7,606.64
  6. Step 6: Final answer
    x = 9,932.51

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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.