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Finding the Fourth Proportional to 64,693.74, 97,040.55 and 29,113.47

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Solution

The fourth proportional to 64,693.74, 97,040.55 and 29,113.47 is: 43,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,693.74 : 97,040.55 = 29,113.47 : x
  2. Step 2: Convert to fraction form
    64,693.74/97,040.55 = 29,113.47/x
  3. Step 3: Cross multiply
    64,693.74x = 97,040.55 × 29,113.47
  4. Step 4: Simplify right side
    64,693.74x = 2,825,187,141.21
  5. Step 5: Solve for x
    x = 2,825,187,141.21/64,693.74
  6. Step 6: Final answer
    x = 43,670.18

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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.