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Finding the Fourth Proportional to 1,470.11, 2,201.12 and 1,035.95

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Solution

The fourth proportional to 1,470.11, 2,201.12 and 1,035.95 is: 1,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.11 : 2,201.12 = 1,035.95 : x
  2. Step 2: Convert to fraction form
    1,470.11/2,201.12 = 1,035.95/x
  3. Step 3: Cross multiply
    1,470.11x = 2,201.12 × 1,035.95
  4. Step 4: Simplify right side
    1,470.11x = 2,280,245.08
  5. Step 5: Solve for x
    x = 2,280,245.08/1,470.11
  6. Step 6: Final answer
    x = 1,551.07

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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.