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Finding the Fourth Proportional to 7,244,936.40, 10,858,073.40 and 5,553,656.40

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Solution

The fourth proportional to 7,244,936.40, 10,858,073.40 and 5,553,656.40 is: 8,323,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,936.40 : 10,858,073.40 = 5,553,656.40 : x
  2. Step 2: Convert to fraction form
    7,244,936.40/10,858,073.40 = 5,553,656.40/x
  3. Step 3: Cross multiply
    7,244,936.40x = 10,858,073.40 × 5,553,656.40
  4. Step 4: Simplify right side
    7,244,936.40x = 60,302,008,829,579.77
  5. Step 5: Solve for x
    x = 60,302,008,829,579.77/7,244,936.40
  6. Step 6: Final answer
    x = 8,323,331.70

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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.