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Finding the Fourth Proportional to 6,746,124.58, 9,309,648.81 and 3,690,338.02

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Solution

The fourth proportional to 6,746,124.58, 9,309,648.81 and 3,690,338.02 is: 5,092,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746,124.58 : 9,309,648.81 = 3,690,338.02 : x
  2. Step 2: Convert to fraction form
    6,746,124.58/9,309,648.81 = 3,690,338.02/x
  3. Step 3: Cross multiply
    6,746,124.58x = 9,309,648.81 × 3,690,338.02
  4. Step 4: Simplify right side
    6,746,124.58x = 34,355,750,956,390.76
  5. Step 5: Solve for x
    x = 34,355,750,956,390.76/6,746,124.58
  6. Step 6: Final answer
    x = 5,092,664.77

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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.