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Finding the Fourth Proportional to 45,848.80, 68,773.20 and 22,520.80

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Solution

The fourth proportional to 45,848.80, 68,773.20 and 22,520.80 is: 33,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,848.80 : 68,773.20 = 22,520.80 : x
  2. Step 2: Convert to fraction form
    45,848.80/68,773.20 = 22,520.80/x
  3. Step 3: Cross multiply
    45,848.80x = 68,773.20 × 22,520.80
  4. Step 4: Simplify right side
    45,848.80x = 1,548,827,482.56
  5. Step 5: Solve for x
    x = 1,548,827,482.56/45,848.80
  6. Step 6: Final answer
    x = 33,781.20

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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.