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Finding the Fourth Proportional to 6,488,834.64, 8,954,650.08 and 3,588,421.92

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Solution

The fourth proportional to 6,488,834.64, 8,954,650.08 and 3,588,421.92 is: 4,952,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488,834.64 : 8,954,650.08 = 3,588,421.92 : x
  2. Step 2: Convert to fraction form
    6,488,834.64/8,954,650.08 = 3,588,421.92/x
  3. Step 3: Cross multiply
    6,488,834.64x = 8,954,650.08 × 3,588,421.92
  4. Step 4: Simplify right side
    6,488,834.64x = 32,133,062,633,001.75
  5. Step 5: Solve for x
    x = 32,133,062,633,001.75/6,488,834.64
  6. Step 6: Final answer
    x = 4,952,054.48

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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.