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Finding the Fourth Proportional to 46,998.52, 70,489.78 and 15,407.96

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Solution

The fourth proportional to 46,998.52, 70,489.78 and 15,407.96 is: 23,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,998.52 : 70,489.78 = 15,407.96 : x
  2. Step 2: Convert to fraction form
    46,998.52/70,489.78 = 15,407.96/x
  3. Step 3: Cross multiply
    46,998.52x = 70,489.78 × 15,407.96
  4. Step 4: Simplify right side
    46,998.52x = 1,086,103,710.65
  5. Step 5: Solve for x
    x = 1,086,103,710.65/46,998.52
  6. Step 6: Final answer
    x = 23,109.32

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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.