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Finding the Fourth Proportional to 58,412.42, 87,568.09 and 49,585.42

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Solution

The fourth proportional to 58,412.42, 87,568.09 and 49,585.42 is: 74,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,412.42 : 87,568.09 = 49,585.42 : x
  2. Step 2: Convert to fraction form
    58,412.42/87,568.09 = 49,585.42/x
  3. Step 3: Cross multiply
    58,412.42x = 87,568.09 × 49,585.42
  4. Step 4: Simplify right side
    58,412.42x = 4,342,100,521.25
  5. Step 5: Solve for x
    x = 4,342,100,521.25/58,412.42
  6. Step 6: Final answer
    x = 74,335.23

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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.