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Finding the Fourth Proportional to 45,881.44, 68,832.03 and 14,290.83

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Solution

The fourth proportional to 45,881.44, 68,832.03 and 14,290.83 is: 21,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,881.44 : 68,832.03 = 14,290.83 : x
  2. Step 2: Convert to fraction form
    45,881.44/68,832.03 = 14,290.83/x
  3. Step 3: Cross multiply
    45,881.44x = 68,832.03 × 14,290.83
  4. Step 4: Simplify right side
    45,881.44x = 983,666,812.49
  5. Step 5: Solve for x
    x = 983,666,812.49/45,881.44
  6. Step 6: Final answer
    x = 21,439.32

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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.