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Finding the Fourth Proportional to 60,801.40, 91,192.98 and 19,243

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Solution

The fourth proportional to 60,801.40, 91,192.98 and 19,243 is: 28,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,801.40 : 91,192.98 = 19,243 : x
  2. Step 2: Convert to fraction form
    60,801.40/91,192.98 = 19,243/x
  3. Step 3: Cross multiply
    60,801.40x = 91,192.98 × 19,243
  4. Step 4: Simplify right side
    60,801.40x = 1,754,826,514.14
  5. Step 5: Solve for x
    x = 1,754,826,514.14/60,801.40
  6. Step 6: Final answer
    x = 28,861.61

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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.