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Finding the Fourth Proportional to 29,719.61, 44,578.96 and 7,230.50

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Solution

The fourth proportional to 29,719.61, 44,578.96 and 7,230.50 is: 10,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.61 : 44,578.96 = 7,230.50 : x
  2. Step 2: Convert to fraction form
    29,719.61/44,578.96 = 7,230.50/x
  3. Step 3: Cross multiply
    29,719.61x = 44,578.96 × 7,230.50
  4. Step 4: Simplify right side
    29,719.61x = 322,328,033.23
  5. Step 5: Solve for x
    x = 322,328,033.23/29,719.61
  6. Step 6: Final answer
    x = 10,845.64

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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.