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Finding the Fourth Proportional to 62,093.76, 93,140.60 and 17,721.40

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Solution

The fourth proportional to 62,093.76, 93,140.60 and 17,721.40 is: 26,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,093.76 : 93,140.60 = 17,721.40 : x
  2. Step 2: Convert to fraction form
    62,093.76/93,140.60 = 17,721.40/x
  3. Step 3: Cross multiply
    62,093.76x = 93,140.60 × 17,721.40
  4. Step 4: Simplify right side
    62,093.76x = 1,650,581,828.84
  5. Step 5: Solve for x
    x = 1,650,581,828.84/62,093.76
  6. Step 6: Final answer
    x = 26,582.09

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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.