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Finding the Fourth Proportional to 29,642.40, 44,409.60 and 23,443.20

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Solution

The fourth proportional to 29,642.40, 44,409.60 and 23,443.20 is: 35,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.40 : 44,409.60 = 23,443.20 : x
  2. Step 2: Convert to fraction form
    29,642.40/44,409.60 = 23,443.20/x
  3. Step 3: Cross multiply
    29,642.40x = 44,409.60 × 23,443.20
  4. Step 4: Simplify right side
    29,642.40x = 1,041,103,134.72
  5. Step 5: Solve for x
    x = 1,041,103,134.72/29,642.40
  6. Step 6: Final answer
    x = 35,122.09

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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.