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Finding the Fourth Proportional to 4,985.22, 7,473.07 and 1,864.38

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Solution

The fourth proportional to 4,985.22, 7,473.07 and 1,864.38 is: 2,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.22 : 7,473.07 = 1,864.38 : x
  2. Step 2: Convert to fraction form
    4,985.22/7,473.07 = 1,864.38/x
  3. Step 3: Cross multiply
    4,985.22x = 7,473.07 × 1,864.38
  4. Step 4: Simplify right side
    4,985.22x = 13,932,642.25
  5. Step 5: Solve for x
    x = 13,932,642.25/4,985.22
  6. Step 6: Final answer
    x = 2,794.79

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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.