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Finding the Fourth Proportional to 46,712.95, 70,069.43 and 15,149.42

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Solution

The fourth proportional to 46,712.95, 70,069.43 and 15,149.42 is: 22,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,712.95 : 70,069.43 = 15,149.42 : x
  2. Step 2: Convert to fraction form
    46,712.95/70,069.43 = 15,149.42/x
  3. Step 3: Cross multiply
    46,712.95x = 70,069.43 × 15,149.42
  4. Step 4: Simplify right side
    46,712.95x = 1,061,511,033.37
  5. Step 5: Solve for x
    x = 1,061,511,033.37/46,712.95
  6. Step 6: Final answer
    x = 22,724.13

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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.