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Finding the Fourth Proportional to 16,874.84, 25,312.08 and 6,488.84

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Solution

The fourth proportional to 16,874.84, 25,312.08 and 6,488.84 is: 9,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.84 : 25,312.08 = 6,488.84 : x
  2. Step 2: Convert to fraction form
    16,874.84/25,312.08 = 6,488.84/x
  3. Step 3: Cross multiply
    16,874.84x = 25,312.08 × 6,488.84
  4. Step 4: Simplify right side
    16,874.84x = 164,246,037.19
  5. Step 5: Solve for x
    x = 164,246,037.19/16,874.84
  6. Step 6: Final answer
    x = 9,733.19

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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.