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Finding the Fourth Proportional to 17,803.74, 26,721.66 and 9,490.68

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Solution

The fourth proportional to 17,803.74, 26,721.66 and 9,490.68 is: 14,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.74 : 26,721.66 = 9,490.68 : x
  2. Step 2: Convert to fraction form
    17,803.74/26,721.66 = 9,490.68/x
  3. Step 3: Cross multiply
    17,803.74x = 26,721.66 × 9,490.68
  4. Step 4: Simplify right side
    17,803.74x = 253,606,724.13
  5. Step 5: Solve for x
    x = 253,606,724.13/17,803.74
  6. Step 6: Final answer
    x = 14,244.58

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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.