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Finding the Fourth Proportional to 2,470.49, 3,409.21 and 1,525.91

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Solution

The fourth proportional to 2,470.49, 3,409.21 and 1,525.91 is: 2,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.49 : 3,409.21 = 1,525.91 : x
  2. Step 2: Convert to fraction form
    2,470.49/3,409.21 = 1,525.91/x
  3. Step 3: Cross multiply
    2,470.49x = 3,409.21 × 1,525.91
  4. Step 4: Simplify right side
    2,470.49x = 5,202,152.34
  5. Step 5: Solve for x
    x = 5,202,152.34/2,470.49
  6. Step 6: Final answer
    x = 2,105.71

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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.