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Finding the Fourth Proportional to 45,487.44, 68,230.35 and 17,785.44

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Solution

The fourth proportional to 45,487.44, 68,230.35 and 17,785.44 is: 26,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,487.44 : 68,230.35 = 17,785.44 : x
  2. Step 2: Convert to fraction form
    45,487.44/68,230.35 = 17,785.44/x
  3. Step 3: Cross multiply
    45,487.44x = 68,230.35 × 17,785.44
  4. Step 4: Simplify right side
    45,487.44x = 1,213,506,796.10
  5. Step 5: Solve for x
    x = 1,213,506,796.10/45,487.44
  6. Step 6: Final answer
    x = 26,677.84

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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.