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Finding the Fourth Proportional to 2,034.30, 3,051.66 and 553.55

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Solution

The fourth proportional to 2,034.30, 3,051.66 and 553.55 is: 830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.30 : 3,051.66 = 553.55 : x
  2. Step 2: Convert to fraction form
    2,034.30/3,051.66 = 553.55/x
  3. Step 3: Cross multiply
    2,034.30x = 3,051.66 × 553.55
  4. Step 4: Simplify right side
    2,034.30x = 1,689,246.39
  5. Step 5: Solve for x
    x = 1,689,246.39/2,034.30
  6. Step 6: Final answer
    x = 830.38

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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.