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Finding the Fourth Proportional to 60,284.88, 90,483.14 and 30,724.74

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Solution

The fourth proportional to 60,284.88, 90,483.14 and 30,724.74 is: 46,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,284.88 : 90,483.14 = 30,724.74 : x
  2. Step 2: Convert to fraction form
    60,284.88/90,483.14 = 30,724.74/x
  3. Step 3: Cross multiply
    60,284.88x = 90,483.14 × 30,724.74
  4. Step 4: Simplify right side
    60,284.88x = 2,780,070,950.88
  5. Step 5: Solve for x
    x = 2,780,070,950.88/60,284.88
  6. Step 6: Final answer
    x = 46,115.56

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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.