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Finding the Fourth Proportional to 3,570.66, 4,929.48 and 2,397.96

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Solution

The fourth proportional to 3,570.66, 4,929.48 and 2,397.96 is: 3,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.66 : 4,929.48 = 2,397.96 : x
  2. Step 2: Convert to fraction form
    3,570.66/4,929.48 = 2,397.96/x
  3. Step 3: Cross multiply
    3,570.66x = 4,929.48 × 2,397.96
  4. Step 4: Simplify right side
    3,570.66x = 11,820,695.86
  5. Step 5: Solve for x
    x = 11,820,695.86/3,570.66
  6. Step 6: Final answer
    x = 3,310.51

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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.