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Finding the Fourth Proportional to 3,772,015.27, 5,658,866.54 and 1,375,859.90

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Solution

The fourth proportional to 3,772,015.27, 5,658,866.54 and 1,375,859.90 is: 2,064,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772,015.27 : 5,658,866.54 = 1,375,859.90 : x
  2. Step 2: Convert to fraction form
    3,772,015.27/5,658,866.54 = 1,375,859.90/x
  3. Step 3: Cross multiply
    3,772,015.27x = 5,658,866.54 × 1,375,859.90
  4. Step 4: Simplify right side
    3,772,015.27x = 7,785,807,559,105.61
  5. Step 5: Solve for x
    x = 7,785,807,559,105.61/3,772,015.27
  6. Step 6: Final answer
    x = 2,064,097.57

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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.