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Finding the Fourth Proportional to 2,922.65, 4,026.19 and 2,501.65

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Solution

The fourth proportional to 2,922.65, 4,026.19 and 2,501.65 is: 3,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.65 : 4,026.19 = 2,501.65 : x
  2. Step 2: Convert to fraction form
    2,922.65/4,026.19 = 2,501.65/x
  3. Step 3: Cross multiply
    2,922.65x = 4,026.19 × 2,501.65
  4. Step 4: Simplify right side
    2,922.65x = 10,072,118.21
  5. Step 5: Solve for x
    x = 10,072,118.21/2,922.65
  6. Step 6: Final answer
    x = 3,446.23

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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.