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Finding the Fourth Proportional to 2,158.89, 2,973.04 and 1,494.59

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Solution

The fourth proportional to 2,158.89, 2,973.04 and 1,494.59 is: 2,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.89 : 2,973.04 = 1,494.59 : x
  2. Step 2: Convert to fraction form
    2,158.89/2,973.04 = 1,494.59/x
  3. Step 3: Cross multiply
    2,158.89x = 2,973.04 × 1,494.59
  4. Step 4: Simplify right side
    2,158.89x = 4,443,468.38
  5. Step 5: Solve for x
    x = 4,443,468.38/2,158.89
  6. Step 6: Final answer
    x = 2,058.22

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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.