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Finding the Fourth Proportional to 29,415.22, 44,121.62 and 8,355.16

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Solution

The fourth proportional to 29,415.22, 44,121.62 and 8,355.16 is: 12,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.22 : 44,121.62 = 8,355.16 : x
  2. Step 2: Convert to fraction form
    29,415.22/44,121.62 = 8,355.16/x
  3. Step 3: Cross multiply
    29,415.22x = 44,121.62 × 8,355.16
  4. Step 4: Simplify right side
    29,415.22x = 368,643,270.60
  5. Step 5: Solve for x
    x = 368,643,270.60/29,415.22
  6. Step 6: Final answer
    x = 12,532.40

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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.