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Finding the Fourth Proportional to 7,701.66, 11,552.48 and 1,858.27

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Solution

The fourth proportional to 7,701.66, 11,552.48 and 1,858.27 is: 2,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.66 : 11,552.48 = 1,858.27 : x
  2. Step 2: Convert to fraction form
    7,701.66/11,552.48 = 1,858.27/x
  3. Step 3: Cross multiply
    7,701.66x = 11,552.48 × 1,858.27
  4. Step 4: Simplify right side
    7,701.66x = 21,467,627.01
  5. Step 5: Solve for x
    x = 21,467,627.01/7,701.66
  6. Step 6: Final answer
    x = 2,787.40

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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.