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Finding the Fourth Proportional to 8,978,362.74, 13,475,942.19 and 4,434,542.46

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Solution

The fourth proportional to 8,978,362.74, 13,475,942.19 and 4,434,542.46 is: 6,655,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,362.74 : 13,475,942.19 = 4,434,542.46 : x
  2. Step 2: Convert to fraction form
    8,978,362.74/13,475,942.19 = 4,434,542.46/x
  3. Step 3: Cross multiply
    8,978,362.74x = 13,475,942.19 × 4,434,542.46
  4. Step 4: Simplify right side
    8,978,362.74x = 59,759,637,830,060.38
  5. Step 5: Solve for x
    x = 59,759,637,830,060.38/8,978,362.74
  6. Step 6: Final answer
    x = 6,655,961.62

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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.