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Finding the Fourth Proportional to 46,577.25, 69,873.17 and 15,419.79

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Solution

The fourth proportional to 46,577.25, 69,873.17 and 15,419.79 is: 23,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,577.25 : 69,873.17 = 15,419.79 : x
  2. Step 2: Convert to fraction form
    46,577.25/69,873.17 = 15,419.79/x
  3. Step 3: Cross multiply
    46,577.25x = 69,873.17 × 15,419.79
  4. Step 4: Simplify right side
    46,577.25x = 1,077,429,530.94
  5. Step 5: Solve for x
    x = 1,077,429,530.94/46,577.25
  6. Step 6: Final answer
    x = 23,132.10

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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.