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Finding the Fourth Proportional to 45,356.64, 67,903.76 and 29,544.64

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Solution

The fourth proportional to 45,356.64, 67,903.76 and 29,544.64 is: 44,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.64 : 67,903.76 = 29,544.64 : x
  2. Step 2: Convert to fraction form
    45,356.64/67,903.76 = 29,544.64/x
  3. Step 3: Cross multiply
    45,356.64x = 67,903.76 × 29,544.64
  4. Step 4: Simplify right side
    45,356.64x = 2,006,192,143.85
  5. Step 5: Solve for x
    x = 2,006,192,143.85/45,356.64
  6. Step 6: Final answer
    x = 44,231.50

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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.