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Finding the Fourth Proportional to 16,756.84, 25,125.69 and 6,888

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Solution

The fourth proportional to 16,756.84, 25,125.69 and 6,888 is: 10,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.84 : 25,125.69 = 6,888 : x
  2. Step 2: Convert to fraction form
    16,756.84/25,125.69 = 6,888/x
  3. Step 3: Cross multiply
    16,756.84x = 25,125.69 × 6,888
  4. Step 4: Simplify right side
    16,756.84x = 173,065,752.72
  5. Step 5: Solve for x
    x = 173,065,752.72/16,756.84
  6. Step 6: Final answer
    x = 10,328.07

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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.