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Finding the Fourth Proportional to 9,695.56, 13,380.44 and 5,448

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Solution

The fourth proportional to 9,695.56, 13,380.44 and 5,448 is: 7,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.56 : 13,380.44 = 5,448 : x
  2. Step 2: Convert to fraction form
    9,695.56/13,380.44 = 5,448/x
  3. Step 3: Cross multiply
    9,695.56x = 13,380.44 × 5,448
  4. Step 4: Simplify right side
    9,695.56x = 72,896,637.12
  5. Step 5: Solve for x
    x = 72,896,637.12/9,695.56
  6. Step 6: Final answer
    x = 7,518.56

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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.