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Finding the Fourth Proportional to 62,460.72, 93,696.09 and 20,340.01

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Solution

The fourth proportional to 62,460.72, 93,696.09 and 20,340.01 is: 30,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,460.72 : 93,696.09 = 20,340.01 : x
  2. Step 2: Convert to fraction form
    62,460.72/93,696.09 = 20,340.01/x
  3. Step 3: Cross multiply
    62,460.72x = 93,696.09 × 20,340.01
  4. Step 4: Simplify right side
    62,460.72x = 1,905,779,562.82
  5. Step 5: Solve for x
    x = 1,905,779,562.82/62,460.72
  6. Step 6: Final answer
    x = 30,511.65

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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.