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Finding the Fourth Proportional to 64,776.66, 97,165.19 and 18,029.53

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Solution

The fourth proportional to 64,776.66, 97,165.19 and 18,029.53 is: 27,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,776.66 : 97,165.19 = 18,029.53 : x
  2. Step 2: Convert to fraction form
    64,776.66/97,165.19 = 18,029.53/x
  3. Step 3: Cross multiply
    64,776.66x = 97,165.19 × 18,029.53
  4. Step 4: Simplify right side
    64,776.66x = 1,751,842,708.06
  5. Step 5: Solve for x
    x = 1,751,842,708.06/64,776.66
  6. Step 6: Final answer
    x = 27,044.35

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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.