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Finding the Fourth Proportional to 6,145,497.45, 8,587,753.20 and 6,145,497.45

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Solution

The fourth proportional to 6,145,497.45, 8,587,753.20 and 6,145,497.45 is: 8,587,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,497.45 : 8,587,753.20 = 6,145,497.45 : x
  2. Step 2: Convert to fraction form
    6,145,497.45/8,587,753.20 = 6,145,497.45/x
  3. Step 3: Cross multiply
    6,145,497.45x = 8,587,753.20 × 6,145,497.45
  4. Step 4: Simplify right side
    6,145,497.45x = 52,776,015,391,829.34
  5. Step 5: Solve for x
    x = 52,776,015,391,829.34/6,145,497.45
  6. Step 6: Final answer
    x = 8,587,753.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.