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Finding the Fourth Proportional to 1,775.01, 2,448.25 and 1,507.61

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Solution

The fourth proportional to 1,775.01, 2,448.25 and 1,507.61 is: 2,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.01 : 2,448.25 = 1,507.61 : x
  2. Step 2: Convert to fraction form
    1,775.01/2,448.25 = 1,507.61/x
  3. Step 3: Cross multiply
    1,775.01x = 2,448.25 × 1,507.61
  4. Step 4: Simplify right side
    1,775.01x = 3,691,006.18
  5. Step 5: Solve for x
    x = 3,691,006.18/1,775.01
  6. Step 6: Final answer
    x = 2,079.43

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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.