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Finding the Fourth Proportional to 1,701.88, 2,552.46 and 776.83

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Solution

The fourth proportional to 1,701.88, 2,552.46 and 776.83 is: 1,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.88 : 2,552.46 = 776.83 : x
  2. Step 2: Convert to fraction form
    1,701.88/2,552.46 = 776.83/x
  3. Step 3: Cross multiply
    1,701.88x = 2,552.46 × 776.83
  4. Step 4: Simplify right side
    1,701.88x = 1,982,827.50
  5. Step 5: Solve for x
    x = 1,982,827.50/1,701.88
  6. Step 6: Final answer
    x = 1,165.08

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Double scale
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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.