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Finding the Fourth Proportional to 2,016.64, 3,024.61 and 555.45

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Solution

The fourth proportional to 2,016.64, 3,024.61 and 555.45 is: 833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.64 : 3,024.61 = 555.45 : x
  2. Step 2: Convert to fraction form
    2,016.64/3,024.61 = 555.45/x
  3. Step 3: Cross multiply
    2,016.64x = 3,024.61 × 555.45
  4. Step 4: Simplify right side
    2,016.64x = 1,680,001.72
  5. Step 5: Solve for x
    x = 1,680,001.72/2,016.64
  6. Step 6: Final answer
    x = 833.07

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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.