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Finding the Fourth Proportional to 32,314.47, 48,385.26 and 18,976.47

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Solution

The fourth proportional to 32,314.47, 48,385.26 and 18,976.47 is: 28,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,314.47 : 48,385.26 = 18,976.47 : x
  2. Step 2: Convert to fraction form
    32,314.47/48,385.26 = 18,976.47/x
  3. Step 3: Cross multiply
    32,314.47x = 48,385.26 × 18,976.47
  4. Step 4: Simplify right side
    32,314.47x = 918,181,434.83
  5. Step 5: Solve for x
    x = 918,181,434.83/32,314.47
  6. Step 6: Final answer
    x = 28,413.94

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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.