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Finding the Fourth Proportional to 25,165, 37,894.27 and 18,637.48

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Solution

The fourth proportional to 25,165, 37,894.27 and 18,637.48 is: 28,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165 : 37,894.27 = 18,637.48 : x
  2. Step 2: Convert to fraction form
    25,165/37,894.27 = 18,637.48/x
  3. Step 3: Cross multiply
    25,165x = 37,894.27 × 18,637.48
  4. Step 4: Simplify right side
    25,165x = 706,253,699.24
  5. Step 5: Solve for x
    x = 706,253,699.24/25,165
  6. Step 6: Final answer
    x = 28,064.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.