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Finding the Fourth Proportional to 6,317,695.01, 8,718,420.75 and 3,564,965.81

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Solution

The fourth proportional to 6,317,695.01, 8,718,420.75 and 3,564,965.81 is: 4,919,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317,695.01 : 8,718,420.75 = 3,564,965.81 : x
  2. Step 2: Convert to fraction form
    6,317,695.01/8,718,420.75 = 3,564,965.81/x
  3. Step 3: Cross multiply
    6,317,695.01x = 8,718,420.75 × 3,564,965.81
  4. Step 4: Simplify right side
    6,317,695.01x = 31,080,871,890,944.56
  5. Step 5: Solve for x
    x = 31,080,871,890,944.56/6,317,695.01
  6. Step 6: Final answer
    x = 4,919,653.74

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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.