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Finding the Fourth Proportional to 46,253.31, 69,407.64 and 19,958.05

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Solution

The fourth proportional to 46,253.31, 69,407.64 and 19,958.05 is: 29,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,253.31 : 69,407.64 = 19,958.05 : x
  2. Step 2: Convert to fraction form
    46,253.31/69,407.64 = 19,958.05/x
  3. Step 3: Cross multiply
    46,253.31x = 69,407.64 × 19,958.05
  4. Step 4: Simplify right side
    46,253.31x = 1,385,241,275.77
  5. Step 5: Solve for x
    x = 1,385,241,275.77/46,253.31
  6. Step 6: Final answer
    x = 29,949.02

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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.