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Finding the Fourth Proportional to 18,136, 25,027.77 and 10,587.52

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Solution

The fourth proportional to 18,136, 25,027.77 and 10,587.52 is: 14,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136 : 25,027.77 = 10,587.52 : x
  2. Step 2: Convert to fraction form
    18,136/25,027.77 = 10,587.52/x
  3. Step 3: Cross multiply
    18,136x = 25,027.77 × 10,587.52
  4. Step 4: Simplify right side
    18,136x = 264,982,015.43
  5. Step 5: Solve for x
    x = 264,982,015.43/18,136
  6. Step 6: Final answer
    x = 14,610.83

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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.