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Finding the Fourth Proportional to 6,416,394.84, 8,854,287.66 and 3,662,973.72

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Solution

The fourth proportional to 6,416,394.84, 8,854,287.66 and 3,662,973.72 is: 5,054,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416,394.84 : 8,854,287.66 = 3,662,973.72 : x
  2. Step 2: Convert to fraction form
    6,416,394.84/8,854,287.66 = 3,662,973.72/x
  3. Step 3: Cross multiply
    6,416,394.84x = 8,854,287.66 × 3,662,973.72
  4. Step 4: Simplify right side
    6,416,394.84x = 32,433,023,007,900.30
  5. Step 5: Solve for x
    x = 32,433,023,007,900.30/6,416,394.84
  6. Step 6: Final answer
    x = 5,054,711.22

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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.