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Finding the Fourth Proportional to 18,802.12, 26,065.68 and 17,803.44

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Solution

The fourth proportional to 18,802.12, 26,065.68 and 17,803.44 is: 24,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.12 : 26,065.68 = 17,803.44 : x
  2. Step 2: Convert to fraction form
    18,802.12/26,065.68 = 17,803.44/x
  3. Step 3: Cross multiply
    18,802.12x = 26,065.68 × 17,803.44
  4. Step 4: Simplify right side
    18,802.12x = 464,058,769.94
  5. Step 5: Solve for x
    x = 464,058,769.94/18,802.12
  6. Step 6: Final answer
    x = 24,681.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.