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Finding the Fourth Proportional to 58,543.20, 80,788.80 and 33,393.12

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Solution

The fourth proportional to 58,543.20, 80,788.80 and 33,393.12 is: 46,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,543.20 : 80,788.80 = 33,393.12 : x
  2. Step 2: Convert to fraction form
    58,543.20/80,788.80 = 33,393.12/x
  3. Step 3: Cross multiply
    58,543.20x = 80,788.80 × 33,393.12
  4. Step 4: Simplify right side
    58,543.20x = 2,697,790,093.06
  5. Step 5: Solve for x
    x = 2,697,790,093.06/58,543.20
  6. Step 6: Final answer
    x = 46,082.04

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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.