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Finding the Fourth Proportional to 5,942,216.64, 8,909,978.58 and 1,897,753.80

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Solution

The fourth proportional to 5,942,216.64, 8,909,978.58 and 1,897,753.80 is: 2,845,561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942,216.64 : 8,909,978.58 = 1,897,753.80 : x
  2. Step 2: Convert to fraction form
    5,942,216.64/8,909,978.58 = 1,897,753.80/x
  3. Step 3: Cross multiply
    5,942,216.64x = 8,909,978.58 × 1,897,753.80
  4. Step 4: Simplify right side
    5,942,216.64x = 16,908,945,708,113.61
  5. Step 5: Solve for x
    x = 16,908,945,708,113.61/5,942,216.64
  6. Step 6: Final answer
    x = 2,845,561.97

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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.