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Finding the Fourth Proportional to 1,486.65, 2,050.92 and 1,044.84

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Solution

The fourth proportional to 1,486.65, 2,050.92 and 1,044.84 is: 1,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.65 : 2,050.92 = 1,044.84 : x
  2. Step 2: Convert to fraction form
    1,486.65/2,050.92 = 1,044.84/x
  3. Step 3: Cross multiply
    1,486.65x = 2,050.92 × 1,044.84
  4. Step 4: Simplify right side
    1,486.65x = 2,142,883.25
  5. Step 5: Solve for x
    x = 2,142,883.25/1,486.65
  6. Step 6: Final answer
    x = 1,441.42

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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.