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Finding the Fourth Proportional to 7,192.17, 9,925.09 and 4,005.37

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Solution

The fourth proportional to 7,192.17, 9,925.09 and 4,005.37 is: 5,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.17 : 9,925.09 = 4,005.37 : x
  2. Step 2: Convert to fraction form
    7,192.17/9,925.09 = 4,005.37/x
  3. Step 3: Cross multiply
    7,192.17x = 9,925.09 × 4,005.37
  4. Step 4: Simplify right side
    7,192.17x = 39,753,657.73
  5. Step 5: Solve for x
    x = 39,753,657.73/7,192.17
  6. Step 6: Final answer
    x = 5,527.35

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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.