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Finding the Fourth Proportional to 9,959.04, 13,744.80 and 9,653.04

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Solution

The fourth proportional to 9,959.04, 13,744.80 and 9,653.04 is: 13,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.04 : 13,744.80 = 9,653.04 : x
  2. Step 2: Convert to fraction form
    9,959.04/13,744.80 = 9,653.04/x
  3. Step 3: Cross multiply
    9,959.04x = 13,744.80 × 9,653.04
  4. Step 4: Simplify right side
    9,959.04x = 132,679,104.19
  5. Step 5: Solve for x
    x = 132,679,104.19/9,959.04
  6. Step 6: Final answer
    x = 13,322.48

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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.