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Finding the Fourth Proportional to 5,581,754.65, 8,367,317.52 and 1,792,580.32

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Solution

The fourth proportional to 5,581,754.65, 8,367,317.52 and 1,792,580.32 is: 2,687,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581,754.65 : 8,367,317.52 = 1,792,580.32 : x
  2. Step 2: Convert to fraction form
    5,581,754.65/8,367,317.52 = 1,792,580.32/x
  3. Step 3: Cross multiply
    5,581,754.65x = 8,367,317.52 × 1,792,580.32
  4. Step 4: Simplify right side
    5,581,754.65x = 14,999,088,717,543.21
  5. Step 5: Solve for x
    x = 14,999,088,717,543.21/5,581,754.65
  6. Step 6: Final answer
    x = 2,687,163.74

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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.