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Finding the Fourth Proportional to 56,479.87, 84,690.86 and 29,840.16

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Solution

The fourth proportional to 56,479.87, 84,690.86 and 29,840.16 is: 44,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479.87 : 84,690.86 = 29,840.16 : x
  2. Step 2: Convert to fraction form
    56,479.87/84,690.86 = 29,840.16/x
  3. Step 3: Cross multiply
    56,479.87x = 84,690.86 × 29,840.16
  4. Step 4: Simplify right side
    56,479.87x = 2,527,188,812.94
  5. Step 5: Solve for x
    x = 2,527,188,812.94/56,479.87
  6. Step 6: Final answer
    x = 44,744.95

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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.