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Finding the Fourth Proportional to 32,413.68, 48,601.07 and 12,668.71

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Solution

The fourth proportional to 32,413.68, 48,601.07 and 12,668.71 is: 18,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,413.68 : 48,601.07 = 12,668.71 : x
  2. Step 2: Convert to fraction form
    32,413.68/48,601.07 = 12,668.71/x
  3. Step 3: Cross multiply
    32,413.68x = 48,601.07 × 12,668.71
  4. Step 4: Simplify right side
    32,413.68x = 615,712,861.52
  5. Step 5: Solve for x
    x = 615,712,861.52/32,413.68
  6. Step 6: Final answer
    x = 18,995.46

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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.