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Finding the Fourth Proportional to 8,663,635.84, 12,996,566.16 and 4,049,399.20

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Solution

The fourth proportional to 8,663,635.84, 12,996,566.16 and 4,049,399.20 is: 6,074,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,635.84 : 12,996,566.16 = 4,049,399.20 : x
  2. Step 2: Convert to fraction form
    8,663,635.84/12,996,566.16 = 4,049,399.20/x
  3. Step 3: Cross multiply
    8,663,635.84x = 12,996,566.16 × 4,049,399.20
  4. Step 4: Simplify right side
    8,663,635.84x = 52,628,284,611,051.08
  5. Step 5: Solve for x
    x = 52,628,284,611,051.08/8,663,635.84
  6. Step 6: Final answer
    x = 6,074,618.74

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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.