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Finding the Fourth Proportional to 6,509,665.64, 8,984,268.58 and 3,609,701.48

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Solution

The fourth proportional to 6,509,665.64, 8,984,268.58 and 3,609,701.48 is: 4,981,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509,665.64 : 8,984,268.58 = 3,609,701.48 : x
  2. Step 2: Convert to fraction form
    6,509,665.64/8,984,268.58 = 3,609,701.48/x
  3. Step 3: Cross multiply
    6,509,665.64x = 8,984,268.58 × 3,609,701.48
  4. Step 4: Simplify right side
    6,509,665.64x = 32,430,527,589,943.50
  5. Step 5: Solve for x
    x = 32,430,527,589,943.50/6,509,665.64
  6. Step 6: Final answer
    x = 4,981,903.74

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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.