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Finding the Fourth Proportional to 2,973.72, 4,462.20 and 1,800.84

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Solution

The fourth proportional to 2,973.72, 4,462.20 and 1,800.84 is: 2,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.72 : 4,462.20 = 1,800.84 : x
  2. Step 2: Convert to fraction form
    2,973.72/4,462.20 = 1,800.84/x
  3. Step 3: Cross multiply
    2,973.72x = 4,462.20 × 1,800.84
  4. Step 4: Simplify right side
    2,973.72x = 8,035,708.25
  5. Step 5: Solve for x
    x = 8,035,708.25/2,973.72
  6. Step 6: Final answer
    x = 2,702.24

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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.