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Finding the Fourth Proportional to 45,549.52, 68,327.52 and 14,384.50

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Solution

The fourth proportional to 45,549.52, 68,327.52 and 14,384.50 is: 21,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.52 : 68,327.52 = 14,384.50 : x
  2. Step 2: Convert to fraction form
    45,549.52/68,327.52 = 14,384.50/x
  3. Step 3: Cross multiply
    45,549.52x = 68,327.52 × 14,384.50
  4. Step 4: Simplify right side
    45,549.52x = 982,857,211.44
  5. Step 5: Solve for x
    x = 982,857,211.44/45,549.52
  6. Step 6: Final answer
    x = 21,577.77

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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.