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Finding the Fourth Proportional to 8,655,200.55, 12,982,800.83 and 3,605,854.95

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Solution

The fourth proportional to 8,655,200.55, 12,982,800.83 and 3,605,854.95 is: 5,408,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,200.55 : 12,982,800.83 = 3,605,854.95 : x
  2. Step 2: Convert to fraction form
    8,655,200.55/12,982,800.83 = 3,605,854.95/x
  3. Step 3: Cross multiply
    8,655,200.55x = 12,982,800.83 × 3,605,854.95
  4. Step 4: Simplify right side
    8,655,200.55x = 46,814,096,619,690.34
  5. Step 5: Solve for x
    x = 46,814,096,619,690.34/8,655,200.55
  6. Step 6: Final answer
    x = 5,408,782.43

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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.