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Finding the Fourth Proportional to 22,965.74, 34,416.53 and 12,413.01

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Solution

The fourth proportional to 22,965.74, 34,416.53 and 12,413.01 is: 18,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965.74 : 34,416.53 = 12,413.01 : x
  2. Step 2: Convert to fraction form
    22,965.74/34,416.53 = 12,413.01/x
  3. Step 3: Cross multiply
    22,965.74x = 34,416.53 × 12,413.01
  4. Step 4: Simplify right side
    22,965.74x = 427,212,668.99
  5. Step 5: Solve for x
    x = 427,212,668.99/22,965.74
  6. Step 6: Final answer
    x = 18,602.18

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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.