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Finding the Fourth Proportional to 62,479.41, 93,719.01 and 20,359.41

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Solution

The fourth proportional to 62,479.41, 93,719.01 and 20,359.41 is: 30,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,479.41 : 93,719.01 = 20,359.41 : x
  2. Step 2: Convert to fraction form
    62,479.41/93,719.01 = 20,359.41/x
  3. Step 3: Cross multiply
    62,479.41x = 93,719.01 × 20,359.41
  4. Step 4: Simplify right side
    62,479.41x = 1,908,063,749.38
  5. Step 5: Solve for x
    x = 1,908,063,749.38/62,479.41
  6. Step 6: Final answer
    x = 30,539.08

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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.