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Finding the Fourth Proportional to 6,611,800.20, 9,917,700.30 and 6,133,503.30

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Solution

The fourth proportional to 6,611,800.20, 9,917,700.30 and 6,133,503.30 is: 9,200,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611,800.20 : 9,917,700.30 = 6,133,503.30 : x
  2. Step 2: Convert to fraction form
    6,611,800.20/9,917,700.30 = 6,133,503.30/x
  3. Step 3: Cross multiply
    6,611,800.20x = 9,917,700.30 × 6,133,503.30
  4. Step 4: Simplify right side
    6,611,800.20x = 60,830,247,518,460.99
  5. Step 5: Solve for x
    x = 60,830,247,518,460.99/6,611,800.20
  6. Step 6: Final answer
    x = 9,200,254.95

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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.