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Finding the Fourth Proportional to 32,007.92, 48,011.80 and 12,275.68

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Solution

The fourth proportional to 32,007.92, 48,011.80 and 12,275.68 is: 18,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,007.92 : 48,011.80 = 12,275.68 : x
  2. Step 2: Convert to fraction form
    32,007.92/48,011.80 = 12,275.68/x
  3. Step 3: Cross multiply
    32,007.92x = 48,011.80 × 12,275.68
  4. Step 4: Simplify right side
    32,007.92x = 589,377,493.02
  5. Step 5: Solve for x
    x = 589,377,493.02/32,007.92
  6. Step 6: Final answer
    x = 18,413.49

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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.