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Finding the Fourth Proportional to 58,228.89, 80,358.72 and 32,743.28

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Solution

The fourth proportional to 58,228.89, 80,358.72 and 32,743.28 is: 45,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,228.89 : 80,358.72 = 32,743.28 : x
  2. Step 2: Convert to fraction form
    58,228.89/80,358.72 = 32,743.28/x
  3. Step 3: Cross multiply
    58,228.89x = 80,358.72 × 32,743.28
  4. Step 4: Simplify right side
    58,228.89x = 2,631,207,695.49
  5. Step 5: Solve for x
    x = 2,631,207,695.49/58,228.89
  6. Step 6: Final answer
    x = 45,187.33

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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.