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Finding the Fourth Proportional to 1,702.77, 2,349.89 and 995.07

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Solution

The fourth proportional to 1,702.77, 2,349.89 and 995.07 is: 1,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.77 : 2,349.89 = 995.07 : x
  2. Step 2: Convert to fraction form
    1,702.77/2,349.89 = 995.07/x
  3. Step 3: Cross multiply
    1,702.77x = 2,349.89 × 995.07
  4. Step 4: Simplify right side
    1,702.77x = 2,338,305.04
  5. Step 5: Solve for x
    x = 2,338,305.04/1,702.77
  6. Step 6: Final answer
    x = 1,373.24

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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.