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Finding the Fourth Proportional to 49,276.68, 68,079.06 and 46,849.11

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Solution

The fourth proportional to 49,276.68, 68,079.06 and 46,849.11 is: 64,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,276.68 : 68,079.06 = 46,849.11 : x
  2. Step 2: Convert to fraction form
    49,276.68/68,079.06 = 46,849.11/x
  3. Step 3: Cross multiply
    49,276.68x = 68,079.06 × 46,849.11
  4. Step 4: Simplify right side
    49,276.68x = 3,189,443,370.64
  5. Step 5: Solve for x
    x = 3,189,443,370.64/49,276.68
  6. Step 6: Final answer
    x = 64,725.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.