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Finding the Fourth Proportional to 2,699.90, 3,724.55 and 2,326.23

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Solution

The fourth proportional to 2,699.90, 3,724.55 and 2,326.23 is: 3,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.90 : 3,724.55 = 2,326.23 : x
  2. Step 2: Convert to fraction form
    2,699.90/3,724.55 = 2,326.23/x
  3. Step 3: Cross multiply
    2,699.90x = 3,724.55 × 2,326.23
  4. Step 4: Simplify right side
    2,699.90x = 8,664,159.95
  5. Step 5: Solve for x
    x = 8,664,159.95/2,699.90
  6. Step 6: Final answer
    x = 3,209.07

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1.5x scale

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.