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Finding the Fourth Proportional to 45,471.72, 68,248.22 and 23,300.20

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Solution

The fourth proportional to 45,471.72, 68,248.22 and 23,300.20 is: 34,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,471.72 : 68,248.22 = 23,300.20 : x
  2. Step 2: Convert to fraction form
    45,471.72/68,248.22 = 23,300.20/x
  3. Step 3: Cross multiply
    45,471.72x = 68,248.22 × 23,300.20
  4. Step 4: Simplify right side
    45,471.72x = 1,590,197,175.64
  5. Step 5: Solve for x
    x = 1,590,197,175.64/45,471.72
  6. Step 6: Final answer
    x = 34,971.12

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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.