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Finding the Fourth Proportional to 8,271,602.70, 12,407,404.05 and 6,358,415.10

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Solution

The fourth proportional to 8,271,602.70, 12,407,404.05 and 6,358,415.10 is: 9,537,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,602.70 : 12,407,404.05 = 6,358,415.10 : x
  2. Step 2: Convert to fraction form
    8,271,602.70/12,407,404.05 = 6,358,415.10/x
  3. Step 3: Cross multiply
    8,271,602.70x = 12,407,404.05 × 6,358,415.10
  4. Step 4: Simplify right side
    8,271,602.70x = 78,891,425,263,321.16
  5. Step 5: Solve for x
    x = 78,891,425,263,321.16/8,271,602.70
  6. Step 6: Final answer
    x = 9,537,622.65

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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.