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Finding the Fourth Proportional to 22,065.16, 33,083.16 and 8,729.32

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Solution

The fourth proportional to 22,065.16, 33,083.16 and 8,729.32 is: 13,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.16 : 33,083.16 = 8,729.32 : x
  2. Step 2: Convert to fraction form
    22,065.16/33,083.16 = 8,729.32/x
  3. Step 3: Cross multiply
    22,065.16x = 33,083.16 × 8,729.32
  4. Step 4: Simplify right side
    22,065.16x = 288,793,490.25
  5. Step 5: Solve for x
    x = 288,793,490.25/22,065.16
  6. Step 6: Final answer
    x = 13,088.21

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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.