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Finding the Fourth Proportional to 8,859.02, 13,285.16 and 2,934.12

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Solution

The fourth proportional to 8,859.02, 13,285.16 and 2,934.12 is: 4,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.02 : 13,285.16 = 2,934.12 : x
  2. Step 2: Convert to fraction form
    8,859.02/13,285.16 = 2,934.12/x
  3. Step 3: Cross multiply
    8,859.02x = 13,285.16 × 2,934.12
  4. Step 4: Simplify right side
    8,859.02x = 38,980,316.32
  5. Step 5: Solve for x
    x = 38,980,316.32/8,859.02
  6. Step 6: Final answer
    x = 4,400.07

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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.