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Finding the Fourth Proportional to 16,303.78, 24,436.74 and 6,940.84

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Solution

The fourth proportional to 16,303.78, 24,436.74 and 6,940.84 is: 10,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,303.78 : 24,436.74 = 6,940.84 : x
  2. Step 2: Convert to fraction form
    16,303.78/24,436.74 = 6,940.84/x
  3. Step 3: Cross multiply
    16,303.78x = 24,436.74 × 6,940.84
  4. Step 4: Simplify right side
    16,303.78x = 169,611,502.46
  5. Step 5: Solve for x
    x = 169,611,502.46/16,303.78
  6. Step 6: Final answer
    x = 10,403.20

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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.