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Finding the Fourth Proportional to 9,959.54, 13,745.49 and 9,653.54

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Solution

The fourth proportional to 9,959.54, 13,745.49 and 9,653.54 is: 13,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.54 : 13,745.49 = 9,653.54 : x
  2. Step 2: Convert to fraction form
    9,959.54/13,745.49 = 9,653.54/x
  3. Step 3: Cross multiply
    9,959.54x = 13,745.49 × 9,653.54
  4. Step 4: Simplify right side
    9,959.54x = 132,692,637.53
  5. Step 5: Solve for x
    x = 132,692,637.53/9,959.54
  6. Step 6: Final answer
    x = 13,323.17

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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.