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Finding the Fourth Proportional to 4,032.20, 5,656.60 and 4,032.20

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Solution

The fourth proportional to 4,032.20, 5,656.60 and 4,032.20 is: 5,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,032.20 : 5,656.60 = 4,032.20 : x
  2. Step 2: Convert to fraction form
    4,032.20/5,656.60 = 4,032.20/x
  3. Step 3: Cross multiply
    4,032.20x = 5,656.60 × 4,032.20
  4. Step 4: Simplify right side
    4,032.20x = 22,808,542.52
  5. Step 5: Solve for x
    x = 22,808,542.52/4,032.20
  6. Step 6: Final answer
    x = 5,656.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.