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Finding the Fourth Proportional to 7,019,773.07, 9,687,350.93 and 4,119,212.34

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Solution

The fourth proportional to 7,019,773.07, 9,687,350.93 and 4,119,212.34 is: 5,684,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,773.07 : 9,687,350.93 = 4,119,212.34 : x
  2. Step 2: Convert to fraction form
    7,019,773.07/9,687,350.93 = 4,119,212.34/x
  3. Step 3: Cross multiply
    7,019,773.07x = 9,687,350.93 × 4,119,212.34
  4. Step 4: Simplify right side
    7,019,773.07x = 39,904,255,472,170.41
  5. Step 5: Solve for x
    x = 39,904,255,472,170.41/7,019,773.07
  6. Step 6: Final answer
    x = 5,684,550.64

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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.