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Finding the Fourth Proportional to 13,304.75, 19,957.12 and 7,378.83

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Solution

The fourth proportional to 13,304.75, 19,957.12 and 7,378.83 is: 11,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.75 : 19,957.12 = 7,378.83 : x
  2. Step 2: Convert to fraction form
    13,304.75/19,957.12 = 7,378.83/x
  3. Step 3: Cross multiply
    13,304.75x = 19,957.12 × 7,378.83
  4. Step 4: Simplify right side
    13,304.75x = 147,260,177.32
  5. Step 5: Solve for x
    x = 147,260,177.32/13,304.75
  6. Step 6: Final answer
    x = 11,068.25

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.