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Finding the Fourth Proportional to 17,903.74, 24,684.44 and 12,805.39

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Solution

The fourth proportional to 17,903.74, 24,684.44 and 12,805.39 is: 17,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.74 : 24,684.44 = 12,805.39 : x
  2. Step 2: Convert to fraction form
    17,903.74/24,684.44 = 12,805.39/x
  3. Step 3: Cross multiply
    17,903.74x = 24,684.44 × 12,805.39
  4. Step 4: Simplify right side
    17,903.74x = 316,093,881.13
  5. Step 5: Solve for x
    x = 316,093,881.13/17,903.74
  6. Step 6: Final answer
    x = 17,655.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.