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Finding the Fourth Proportional to 64,777.68, 97,167.36 and 18,029.76

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Solution

The fourth proportional to 64,777.68, 97,167.36 and 18,029.76 is: 27,044.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,777.68 : 97,167.36 = 18,029.76 : x
  2. Step 2: Convert to fraction form
    64,777.68/97,167.36 = 18,029.76/x
  3. Step 3: Cross multiply
    64,777.68x = 97,167.36 × 18,029.76
  4. Step 4: Simplify right side
    64,777.68x = 1,751,904,180.63
  5. Step 5: Solve for x
    x = 1,751,904,180.63/64,777.68
  6. Step 6: Final answer
    x = 27,044.87

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1.5x scale

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.