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Finding the Fourth Proportional to 2,000.25, 3,001.47 and 904.53

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Solution

The fourth proportional to 2,000.25, 3,001.47 and 904.53 is: 1,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.25 : 3,001.47 = 904.53 : x
  2. Step 2: Convert to fraction form
    2,000.25/3,001.47 = 904.53/x
  3. Step 3: Cross multiply
    2,000.25x = 3,001.47 × 904.53
  4. Step 4: Simplify right side
    2,000.25x = 2,714,919.66
  5. Step 5: Solve for x
    x = 2,714,919.66/2,000.25
  6. Step 6: Final answer
    x = 1,357.29

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1.5x scale

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.