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Finding the Fourth Proportional to 29,474.60, 44,211.90 and 7,287.80

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Solution

The fourth proportional to 29,474.60, 44,211.90 and 7,287.80 is: 10,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,474.60 : 44,211.90 = 7,287.80 : x
  2. Step 2: Convert to fraction form
    29,474.60/44,211.90 = 7,287.80/x
  3. Step 3: Cross multiply
    29,474.60x = 44,211.90 × 7,287.80
  4. Step 4: Simplify right side
    29,474.60x = 322,207,484.82
  5. Step 5: Solve for x
    x = 322,207,484.82/29,474.60
  6. Step 6: Final answer
    x = 10,931.70

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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.