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Finding the Fourth Proportional to 26,136, 36,067.68 and 14,960.16

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Solution

The fourth proportional to 26,136, 36,067.68 and 14,960.16 is: 20,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136 : 36,067.68 = 14,960.16 : x
  2. Step 2: Convert to fraction form
    26,136/36,067.68 = 14,960.16/x
  3. Step 3: Cross multiply
    26,136x = 36,067.68 × 14,960.16
  4. Step 4: Simplify right side
    26,136x = 539,578,263.63
  5. Step 5: Solve for x
    x = 539,578,263.63/26,136
  6. Step 6: Final answer
    x = 20,645.02

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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.