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Finding the Fourth Proportional to 38,898.81, 58,342.71 and 22,204.71

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Solution

The fourth proportional to 38,898.81, 58,342.71 and 22,204.71 is: 33,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898.81 : 58,342.71 = 22,204.71 : x
  2. Step 2: Convert to fraction form
    38,898.81/58,342.71 = 22,204.71/x
  3. Step 3: Cross multiply
    38,898.81x = 58,342.71 × 22,204.71
  4. Step 4: Simplify right side
    38,898.81x = 1,295,482,956.16
  5. Step 5: Solve for x
    x = 1,295,482,956.16/38,898.81
  6. Step 6: Final answer
    x = 33,303.92

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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.