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Finding the Fourth Proportional to 8,392,528.70, 12,588,793.05 and 2,716,826.30

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Solution

The fourth proportional to 8,392,528.70, 12,588,793.05 and 2,716,826.30 is: 4,075,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,528.70 : 12,588,793.05 = 2,716,826.30 : x
  2. Step 2: Convert to fraction form
    8,392,528.70/12,588,793.05 = 2,716,826.30/x
  3. Step 3: Cross multiply
    8,392,528.70x = 12,588,793.05 × 2,716,826.30
  4. Step 4: Simplify right side
    8,392,528.70x = 34,201,564,043,497.21
  5. Step 5: Solve for x
    x = 34,201,564,043,497.21/8,392,528.70
  6. Step 6: Final answer
    x = 4,075,239.45

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Similar ratio
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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.