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Finding the Fourth Proportional to 45,660.68, 68,496.48 and 19,362

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Solution

The fourth proportional to 45,660.68, 68,496.48 and 19,362 is: 29,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,660.68 : 68,496.48 = 19,362 : x
  2. Step 2: Convert to fraction form
    45,660.68/68,496.48 = 19,362/x
  3. Step 3: Cross multiply
    45,660.68x = 68,496.48 × 19,362
  4. Step 4: Simplify right side
    45,660.68x = 1,326,228,845.76
  5. Step 5: Solve for x
    x = 1,326,228,845.76/45,660.68
  6. Step 6: Final answer
    x = 29,045.32

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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.