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Finding the Fourth Proportional to 43,892.93, 65,838.74 and 10,612.77

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Solution

The fourth proportional to 43,892.93, 65,838.74 and 10,612.77 is: 15,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,892.93 : 65,838.74 = 10,612.77 : x
  2. Step 2: Convert to fraction form
    43,892.93/65,838.74 = 10,612.77/x
  3. Step 3: Cross multiply
    43,892.93x = 65,838.74 × 10,612.77
  4. Step 4: Simplify right side
    43,892.93x = 698,731,351.65
  5. Step 5: Solve for x
    x = 698,731,351.65/43,892.93
  6. Step 6: Final answer
    x = 15,919.00

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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.