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Finding the Fourth Proportional to 18,864.08, 28,292.46 and 17,927.46

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Solution

The fourth proportional to 18,864.08, 28,292.46 and 17,927.46 is: 26,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.08 : 28,292.46 = 17,927.46 : x
  2. Step 2: Convert to fraction form
    18,864.08/28,292.46 = 17,927.46/x
  3. Step 3: Cross multiply
    18,864.08x = 28,292.46 × 17,927.46
  4. Step 4: Simplify right side
    18,864.08x = 507,211,944.95
  5. Step 5: Solve for x
    x = 507,211,944.95/18,864.08
  6. Step 6: Final answer
    x = 26,887.71

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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.