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Finding the Fourth Proportional to 18,006.77, 26,954.71 and 10,625.65

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Solution

The fourth proportional to 18,006.77, 26,954.71 and 10,625.65 is: 15,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.77 : 26,954.71 = 10,625.65 : x
  2. Step 2: Convert to fraction form
    18,006.77/26,954.71 = 10,625.65/x
  3. Step 3: Cross multiply
    18,006.77x = 26,954.71 × 10,625.65
  4. Step 4: Simplify right side
    18,006.77x = 286,411,220.36
  5. Step 5: Solve for x
    x = 286,411,220.36/18,006.77
  6. Step 6: Final answer
    x = 15,905.75

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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.