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Finding the Fourth Proportional to 17,699.39, 26,549.10 and 4,551.78

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Solution

The fourth proportional to 17,699.39, 26,549.10 and 4,551.78 is: 6,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.39 : 26,549.10 = 4,551.78 : x
  2. Step 2: Convert to fraction form
    17,699.39/26,549.10 = 4,551.78/x
  3. Step 3: Cross multiply
    17,699.39x = 26,549.10 × 4,551.78
  4. Step 4: Simplify right side
    17,699.39x = 120,845,662.40
  5. Step 5: Solve for x
    x = 120,845,662.40/17,699.39
  6. Step 6: Final answer
    x = 6,827.68

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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.