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Finding the Fourth Proportional to 23,398.62, 35,060.95 and 18,994.55

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Solution

The fourth proportional to 23,398.62, 35,060.95 and 18,994.55 is: 28,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.62 : 35,060.95 = 18,994.55 : x
  2. Step 2: Convert to fraction form
    23,398.62/35,060.95 = 18,994.55/x
  3. Step 3: Cross multiply
    23,398.62x = 35,060.95 × 18,994.55
  4. Step 4: Simplify right side
    23,398.62x = 665,967,013.48
  5. Step 5: Solve for x
    x = 665,967,013.48/23,398.62
  6. Step 6: Final answer
    x = 28,461.81

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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.