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Finding the Fourth Proportional to 40,693.93, 61,058.43 and 21,970.24

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Solution

The fourth proportional to 40,693.93, 61,058.43 and 21,970.24 is: 32,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,693.93 : 61,058.43 = 21,970.24 : x
  2. Step 2: Convert to fraction form
    40,693.93/61,058.43 = 21,970.24/x
  3. Step 3: Cross multiply
    40,693.93x = 61,058.43 × 21,970.24
  4. Step 4: Simplify right side
    40,693.93x = 1,341,468,609.17
  5. Step 5: Solve for x
    x = 1,341,468,609.17/40,693.93
  6. Step 6: Final answer
    x = 32,964.84

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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.