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Finding the Fourth Proportional to 58,454.28, 80,647.88 and 35,769.60

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Solution

The fourth proportional to 58,454.28, 80,647.88 and 35,769.60 is: 49,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,454.28 : 80,647.88 = 35,769.60 : x
  2. Step 2: Convert to fraction form
    58,454.28/80,647.88 = 35,769.60/x
  3. Step 3: Cross multiply
    58,454.28x = 80,647.88 × 35,769.60
  4. Step 4: Simplify right side
    58,454.28x = 2,884,742,229.60
  5. Step 5: Solve for x
    x = 2,884,742,229.60/58,454.28
  6. Step 6: Final answer
    x = 49,350.40

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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.