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Finding the Fourth Proportional to 2,673.86, 4,010.16 and 726.08

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Solution

The fourth proportional to 2,673.86, 4,010.16 and 726.08 is: 1,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.86 : 4,010.16 = 726.08 : x
  2. Step 2: Convert to fraction form
    2,673.86/4,010.16 = 726.08/x
  3. Step 3: Cross multiply
    2,673.86x = 4,010.16 × 726.08
  4. Step 4: Simplify right side
    2,673.86x = 2,911,696.97
  5. Step 5: Solve for x
    x = 2,911,696.97/2,673.86
  6. Step 6: Final answer
    x = 1,088.95

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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.