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Finding the Fourth Proportional to 2,695.68, 4,044.48 and 1,670.40

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Solution

The fourth proportional to 2,695.68, 4,044.48 and 1,670.40 is: 2,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.68 : 4,044.48 = 1,670.40 : x
  2. Step 2: Convert to fraction form
    2,695.68/4,044.48 = 1,670.40/x
  3. Step 3: Cross multiply
    2,695.68x = 4,044.48 × 1,670.40
  4. Step 4: Simplify right side
    2,695.68x = 6,755,899.39
  5. Step 5: Solve for x
    x = 6,755,899.39/2,695.68
  6. Step 6: Final answer
    x = 2,506.19

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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.