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Finding the Fourth Proportional to 8,914,706.76, 12,302,344.50 and 4,840,325.88

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Solution

The fourth proportional to 8,914,706.76, 12,302,344.50 and 4,840,325.88 is: 6,679,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914,706.76 : 12,302,344.50 = 4,840,325.88 : x
  2. Step 2: Convert to fraction form
    8,914,706.76/12,302,344.50 = 4,840,325.88/x
  3. Step 3: Cross multiply
    8,914,706.76x = 12,302,344.50 × 4,840,325.88
  4. Step 4: Simplify right side
    8,914,706.76x = 59,547,356,468,025.66
  5. Step 5: Solve for x
    x = 59,547,356,468,025.66/8,914,706.76
  6. Step 6: Final answer
    x = 6,679,676.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.