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Finding the Fourth Proportional to 23,413.43, 35,123.65 and 8,621.22

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Solution

The fourth proportional to 23,413.43, 35,123.65 and 8,621.22 is: 12,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,413.43 : 35,123.65 = 8,621.22 : x
  2. Step 2: Convert to fraction form
    23,413.43/35,123.65 = 8,621.22/x
  3. Step 3: Cross multiply
    23,413.43x = 35,123.65 × 8,621.22
  4. Step 4: Simplify right side
    23,413.43x = 302,808,713.85
  5. Step 5: Solve for x
    x = 302,808,713.85/23,413.43
  6. Step 6: Final answer
    x = 12,933.12

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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.