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Finding the Fourth Proportional to 3,891,672.07, 5,832,444.74 and 1,583,475.26

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Solution

The fourth proportional to 3,891,672.07, 5,832,444.74 and 1,583,475.26 is: 2,373,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,672.07 : 5,832,444.74 = 1,583,475.26 : x
  2. Step 2: Convert to fraction form
    3,891,672.07/5,832,444.74 = 1,583,475.26/x
  3. Step 3: Cross multiply
    3,891,672.07x = 5,832,444.74 × 1,583,475.26
  4. Step 4: Simplify right side
    3,891,672.07x = 9,235,531,914,027.53
  5. Step 5: Solve for x
    x = 9,235,531,914,027.53/3,891,672.07
  6. Step 6: Final answer
    x = 2,373,152.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.