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Finding the Fourth Proportional to 58,794.80, 88,134.60 and 30,729.20

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Solution

The fourth proportional to 58,794.80, 88,134.60 and 30,729.20 is: 46,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,794.80 : 88,134.60 = 30,729.20 : x
  2. Step 2: Convert to fraction form
    58,794.80/88,134.60 = 30,729.20/x
  3. Step 3: Cross multiply
    58,794.80x = 88,134.60 × 30,729.20
  4. Step 4: Simplify right side
    58,794.80x = 2,708,305,750.32
  5. Step 5: Solve for x
    x = 2,708,305,750.32/58,794.80
  6. Step 6: Final answer
    x = 46,063.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.