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Finding the Fourth Proportional to 18,880.59, 26,054.79 and 10,266.58

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Solution

The fourth proportional to 18,880.59, 26,054.79 and 10,266.58 is: 14,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.59 : 26,054.79 = 10,266.58 : x
  2. Step 2: Convert to fraction form
    18,880.59/26,054.79 = 10,266.58/x
  3. Step 3: Cross multiply
    18,880.59x = 26,054.79 × 10,266.58
  4. Step 4: Simplify right side
    18,880.59x = 267,493,625.39
  5. Step 5: Solve for x
    x = 267,493,625.39/18,880.59
  6. Step 6: Final answer
    x = 14,167.65

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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.