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Finding the Fourth Proportional to 58,378.73, 87,592.39 and 28,796.92

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Solution

The fourth proportional to 58,378.73, 87,592.39 and 28,796.92 is: 43,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.73 : 87,592.39 = 28,796.92 : x
  2. Step 2: Convert to fraction form
    58,378.73/87,592.39 = 28,796.92/x
  3. Step 3: Cross multiply
    58,378.73x = 87,592.39 × 28,796.92
  4. Step 4: Simplify right side
    58,378.73x = 2,522,390,756.47
  5. Step 5: Solve for x
    x = 2,522,390,756.47/58,378.73
  6. Step 6: Final answer
    x = 43,207.36

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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.