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Finding the Fourth Proportional to 1,701.15, 2,347.59 and 955.15

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Solution

The fourth proportional to 1,701.15, 2,347.59 and 955.15 is: 1,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.15 : 2,347.59 = 955.15 : x
  2. Step 2: Convert to fraction form
    1,701.15/2,347.59 = 955.15/x
  3. Step 3: Cross multiply
    1,701.15x = 2,347.59 × 955.15
  4. Step 4: Simplify right side
    1,701.15x = 2,242,298.30
  5. Step 5: Solve for x
    x = 2,242,298.30/1,701.15
  6. Step 6: Final answer
    x = 1,318.11

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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.