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Finding the Fourth Proportional to 29,346, 40,496.86 and 15,916.74

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Solution

The fourth proportional to 29,346, 40,496.86 and 15,916.74 is: 21,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,346 : 40,496.86 = 15,916.74 : x
  2. Step 2: Convert to fraction form
    29,346/40,496.86 = 15,916.74/x
  3. Step 3: Cross multiply
    29,346x = 40,496.86 × 15,916.74
  4. Step 4: Simplify right side
    29,346x = 644,577,991.44
  5. Step 5: Solve for x
    x = 644,577,991.44/29,346
  6. Step 6: Final answer
    x = 21,964.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.