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Finding the Fourth Proportional to 6,474,725.80, 9,712,088.70 and 6,474,725.80

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Solution

The fourth proportional to 6,474,725.80, 9,712,088.70 and 6,474,725.80 is: 9,712,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,725.80 : 9,712,088.70 = 6,474,725.80 : x
  2. Step 2: Convert to fraction form
    6,474,725.80/9,712,088.70 = 6,474,725.80/x
  3. Step 3: Cross multiply
    6,474,725.80x = 9,712,088.70 × 6,474,725.80
  4. Step 4: Simplify right side
    6,474,725.80x = 62,883,111,277,778.45
  5. Step 5: Solve for x
    x = 62,883,111,277,778.45/6,474,725.80
  6. Step 6: Final answer
    x = 9,712,088.70

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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.