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Finding the Fourth Proportional to 45,569.14, 68,353.30 and 14,404.40

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Solution

The fourth proportional to 45,569.14, 68,353.30 and 14,404.40 is: 21,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.14 : 68,353.30 = 14,404.40 : x
  2. Step 2: Convert to fraction form
    45,569.14/68,353.30 = 14,404.40/x
  3. Step 3: Cross multiply
    45,569.14x = 68,353.30 × 14,404.40
  4. Step 4: Simplify right side
    45,569.14x = 984,588,274.52
  5. Step 5: Solve for x
    x = 984,588,274.52/45,569.14
  6. Step 6: Final answer
    x = 21,606.47

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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.