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Finding the Fourth Proportional to 45,924.97, 68,890.02 and 14,339.40

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Solution

The fourth proportional to 45,924.97, 68,890.02 and 14,339.40 is: 21,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,924.97 : 68,890.02 = 14,339.40 : x
  2. Step 2: Convert to fraction form
    45,924.97/68,890.02 = 14,339.40/x
  3. Step 3: Cross multiply
    45,924.97x = 68,890.02 × 14,339.40
  4. Step 4: Simplify right side
    45,924.97x = 987,841,552.79
  5. Step 5: Solve for x
    x = 987,841,552.79/45,924.97
  6. Step 6: Final answer
    x = 21,509.90

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1.5x scale

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.