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Finding the Fourth Proportional to 24,981.76, 34,474.80 and 13,651.32

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Solution

The fourth proportional to 24,981.76, 34,474.80 and 13,651.32 is: 18,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,981.76 : 34,474.80 = 13,651.32 : x
  2. Step 2: Convert to fraction form
    24,981.76/34,474.80 = 13,651.32/x
  3. Step 3: Cross multiply
    24,981.76x = 34,474.80 × 13,651.32
  4. Step 4: Simplify right side
    24,981.76x = 470,626,526.74
  5. Step 5: Solve for x
    x = 470,626,526.74/24,981.76
  6. Step 6: Final answer
    x = 18,838.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.