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Finding the Fourth Proportional to 16,477.66, 22,739.19 and 8,924.05

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Solution

The fourth proportional to 16,477.66, 22,739.19 and 8,924.05 is: 12,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.66 : 22,739.19 = 8,924.05 : x
  2. Step 2: Convert to fraction form
    16,477.66/22,739.19 = 8,924.05/x
  3. Step 3: Cross multiply
    16,477.66x = 22,739.19 × 8,924.05
  4. Step 4: Simplify right side
    16,477.66x = 202,925,705.98
  5. Step 5: Solve for x
    x = 202,925,705.98/16,477.66
  6. Step 6: Final answer
    x = 12,315.20

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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.