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Finding the Fourth Proportional to 16,322.84, 22,525.44 and 8,870.84

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Solution

The fourth proportional to 16,322.84, 22,525.44 and 8,870.84 is: 12,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,322.84 : 22,525.44 = 8,870.84 : x
  2. Step 2: Convert to fraction form
    16,322.84/22,525.44 = 8,870.84/x
  3. Step 3: Cross multiply
    16,322.84x = 22,525.44 × 8,870.84
  4. Step 4: Simplify right side
    16,322.84x = 199,819,574.17
  5. Step 5: Solve for x
    x = 199,819,574.17/16,322.84
  6. Step 6: Final answer
    x = 12,241.72

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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.