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Finding the Fourth Proportional to 16,803.68, 25,210.44 and 6,943.52

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Solution

The fourth proportional to 16,803.68, 25,210.44 and 6,943.52 is: 10,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.68 : 25,210.44 = 6,943.52 : x
  2. Step 2: Convert to fraction form
    16,803.68/25,210.44 = 6,943.52/x
  3. Step 3: Cross multiply
    16,803.68x = 25,210.44 × 6,943.52
  4. Step 4: Simplify right side
    16,803.68x = 175,049,194.35
  5. Step 5: Solve for x
    x = 175,049,194.35/16,803.68
  6. Step 6: Final answer
    x = 10,417.31

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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.