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Finding the Fourth Proportional to 3,712.32, 5,567.28 and 1,764.48

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Solution

The fourth proportional to 3,712.32, 5,567.28 and 1,764.48 is: 2,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.32 : 5,567.28 = 1,764.48 : x
  2. Step 2: Convert to fraction form
    3,712.32/5,567.28 = 1,764.48/x
  3. Step 3: Cross multiply
    3,712.32x = 5,567.28 × 1,764.48
  4. Step 4: Simplify right side
    3,712.32x = 9,823,354.21
  5. Step 5: Solve for x
    x = 9,823,354.21/3,712.32
  6. Step 6: Final answer
    x = 2,646.15

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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.