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Finding the Fourth Proportional to 2,029.52, 2,800.04 and 1,190.10

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Solution

The fourth proportional to 2,029.52, 2,800.04 and 1,190.10 is: 1,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.52 : 2,800.04 = 1,190.10 : x
  2. Step 2: Convert to fraction form
    2,029.52/2,800.04 = 1,190.10/x
  3. Step 3: Cross multiply
    2,029.52x = 2,800.04 × 1,190.10
  4. Step 4: Simplify right side
    2,029.52x = 3,332,327.60
  5. Step 5: Solve for x
    x = 3,332,327.60/2,029.52
  6. Step 6: Final answer
    x = 1,641.93

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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.