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Finding the Fourth Proportional to 8,497,794.64, 12,748,684.28 and 3,380,514.96

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Solution

The fourth proportional to 8,497,794.64, 12,748,684.28 and 3,380,514.96 is: 5,071,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497,794.64 : 12,748,684.28 = 3,380,514.96 : x
  2. Step 2: Convert to fraction form
    8,497,794.64/12,748,684.28 = 3,380,514.96/x
  3. Step 3: Cross multiply
    8,497,794.64x = 12,748,684.28 × 3,380,514.96
  4. Step 4: Simplify right side
    8,497,794.64x = 43,097,117,928,856.83
  5. Step 5: Solve for x
    x = 43,097,117,928,856.83/8,497,794.64
  6. Step 6: Final answer
    x = 5,071,565.01

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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.