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Finding the Fourth Proportional to 45,887.73, 68,856.68 and 17,808.90

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Solution

The fourth proportional to 45,887.73, 68,856.68 and 17,808.90 is: 26,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,887.73 : 68,856.68 = 17,808.90 : x
  2. Step 2: Convert to fraction form
    45,887.73/68,856.68 = 17,808.90/x
  3. Step 3: Cross multiply
    45,887.73x = 68,856.68 × 17,808.90
  4. Step 4: Simplify right side
    45,887.73x = 1,226,261,728.45
  5. Step 5: Solve for x
    x = 1,226,261,728.45/45,887.73
  6. Step 6: Final answer
    x = 26,723.09

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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.