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Finding the Fourth Proportional to 60,400.70, 90,582.60 and 28,794.10

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Solution

The fourth proportional to 60,400.70, 90,582.60 and 28,794.10 is: 43,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,400.70 : 90,582.60 = 28,794.10 : x
  2. Step 2: Convert to fraction form
    60,400.70/90,582.60 = 28,794.10/x
  3. Step 3: Cross multiply
    60,400.70x = 90,582.60 × 28,794.10
  4. Step 4: Simplify right side
    60,400.70x = 2,608,244,442.66
  5. Step 5: Solve for x
    x = 2,608,244,442.66/60,400.70
  6. Step 6: Final answer
    x = 43,182.35

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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.