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Finding the Fourth Proportional to 5,229,897.94, 7,840,353.54 and 1,817,741.45

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Solution

The fourth proportional to 5,229,897.94, 7,840,353.54 and 1,817,741.45 is: 2,725,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229,897.94 : 7,840,353.54 = 1,817,741.45 : x
  2. Step 2: Convert to fraction form
    5,229,897.94/7,840,353.54 = 1,817,741.45/x
  3. Step 3: Cross multiply
    5,229,897.94x = 7,840,353.54 × 1,817,741.45
  4. Step 4: Simplify right side
    5,229,897.94x = 14,251,735,628,504.85
  5. Step 5: Solve for x
    x = 14,251,735,628,504.85/5,229,897.94
  6. Step 6: Final answer
    x = 2,725,050.43

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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.