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Finding the Fourth Proportional to 64,598.70, 96,899.88 and 17,851.58

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Solution

The fourth proportional to 64,598.70, 96,899.88 and 17,851.58 is: 26,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,598.70 : 96,899.88 = 17,851.58 : x
  2. Step 2: Convert to fraction form
    64,598.70/96,899.88 = 17,851.58/x
  3. Step 3: Cross multiply
    64,598.70x = 96,899.88 × 17,851.58
  4. Step 4: Simplify right side
    64,598.70x = 1,729,815,475.31
  5. Step 5: Solve for x
    x = 1,729,815,475.31/64,598.70
  6. Step 6: Final answer
    x = 26,777.87

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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.