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Finding the Fourth Proportional to 6,242,869.74, 8,615,859.63 and 3,526,790.70

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Solution

The fourth proportional to 6,242,869.74, 8,615,859.63 and 3,526,790.70 is: 4,867,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242,869.74 : 8,615,859.63 = 3,526,790.70 : x
  2. Step 2: Convert to fraction form
    6,242,869.74/8,615,859.63 = 3,526,790.70/x
  3. Step 3: Cross multiply
    6,242,869.74x = 8,615,859.63 × 3,526,790.70
  4. Step 4: Simplify right side
    6,242,869.74x = 30,386,333,615,589.45
  5. Step 5: Solve for x
    x = 30,386,333,615,589.45/6,242,869.74
  6. Step 6: Final answer
    x = 4,867,366.27

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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.