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Finding the Fourth Proportional to 46,917.20, 70,246.20 and 36,549.20

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Solution

The fourth proportional to 46,917.20, 70,246.20 and 36,549.20 is: 54,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,917.20 : 70,246.20 = 36,549.20 : x
  2. Step 2: Convert to fraction form
    46,917.20/70,246.20 = 36,549.20/x
  3. Step 3: Cross multiply
    46,917.20x = 70,246.20 × 36,549.20
  4. Step 4: Simplify right side
    46,917.20x = 2,567,442,413.04
  5. Step 5: Solve for x
    x = 2,567,442,413.04/46,917.20
  6. Step 6: Final answer
    x = 54,722.84

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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.