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Finding the Fourth Proportional to 16,041.84, 22,137.80 and 8,968.72

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Solution

The fourth proportional to 16,041.84, 22,137.80 and 8,968.72 is: 12,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,041.84 : 22,137.80 = 8,968.72 : x
  2. Step 2: Convert to fraction form
    16,041.84/22,137.80 = 8,968.72/x
  3. Step 3: Cross multiply
    16,041.84x = 22,137.80 × 8,968.72
  4. Step 4: Simplify right side
    16,041.84x = 198,547,729.62
  5. Step 5: Solve for x
    x = 198,547,729.62/16,041.84
  6. Step 6: Final answer
    x = 12,376.87

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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.