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Finding the Fourth Proportional to 57,507.85, 79,363.16 and 32,015.26

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Solution

The fourth proportional to 57,507.85, 79,363.16 and 32,015.26 is: 44,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,507.85 : 79,363.16 = 32,015.26 : x
  2. Step 2: Convert to fraction form
    57,507.85/79,363.16 = 32,015.26/x
  3. Step 3: Cross multiply
    57,507.85x = 79,363.16 × 32,015.26
  4. Step 4: Simplify right side
    57,507.85x = 2,540,832,201.82
  5. Step 5: Solve for x
    x = 2,540,832,201.82/57,507.85
  6. Step 6: Final answer
    x = 44,182.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.