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Finding the Fourth Proportional to 40,322.82, 60,490.71 and 14,035.08

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Solution

The fourth proportional to 40,322.82, 60,490.71 and 14,035.08 is: 21,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.82 : 60,490.71 = 14,035.08 : x
  2. Step 2: Convert to fraction form
    40,322.82/60,490.71 = 14,035.08/x
  3. Step 3: Cross multiply
    40,322.82x = 60,490.71 × 14,035.08
  4. Step 4: Simplify right side
    40,322.82x = 848,991,954.11
  5. Step 5: Solve for x
    x = 848,991,954.11/40,322.82
  6. Step 6: Final answer
    x = 21,054.88

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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.