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Finding the Fourth Proportional to 64,556.74, 89,098.95 and 37,699.03

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Solution

The fourth proportional to 64,556.74, 89,098.95 and 37,699.03 is: 52,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,556.74 : 89,098.95 = 37,699.03 : x
  2. Step 2: Convert to fraction form
    64,556.74/89,098.95 = 37,699.03/x
  3. Step 3: Cross multiply
    64,556.74x = 89,098.95 × 37,699.03
  4. Step 4: Simplify right side
    64,556.74x = 3,358,943,989.02
  5. Step 5: Solve for x
    x = 3,358,943,989.02/64,556.74
  6. Step 6: Final answer
    x = 52,030.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.