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Finding the Fourth Proportional to 2,342.64, 3,513.87 and 587.66

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Solution

The fourth proportional to 2,342.64, 3,513.87 and 587.66 is: 881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.64 : 3,513.87 = 587.66 : x
  2. Step 2: Convert to fraction form
    2,342.64/3,513.87 = 587.66/x
  3. Step 3: Cross multiply
    2,342.64x = 3,513.87 × 587.66
  4. Step 4: Simplify right side
    2,342.64x = 2,064,943.27
  5. Step 5: Solve for x
    x = 2,064,943.27/2,342.64
  6. Step 6: Final answer
    x = 881.46

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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.