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Finding the Fourth Proportional to 10,551.84, 15,827.76 and 2,760.72

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Solution

The fourth proportional to 10,551.84, 15,827.76 and 2,760.72 is: 4,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.84 : 15,827.76 = 2,760.72 : x
  2. Step 2: Convert to fraction form
    10,551.84/15,827.76 = 2,760.72/x
  3. Step 3: Cross multiply
    10,551.84x = 15,827.76 × 2,760.72
  4. Step 4: Simplify right side
    10,551.84x = 43,696,013.59
  5. Step 5: Solve for x
    x = 43,696,013.59/10,551.84
  6. Step 6: Final answer
    x = 4,141.08

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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.