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Finding the Fourth Proportional to 6,166,978.50, 8,510,327.22 and 3,413,606.85

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Solution

The fourth proportional to 6,166,978.50, 8,510,327.22 and 3,413,606.85 is: 4,710,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166,978.50 : 8,510,327.22 = 3,413,606.85 : x
  2. Step 2: Convert to fraction form
    6,166,978.50/8,510,327.22 = 3,413,606.85/x
  3. Step 3: Cross multiply
    6,166,978.50x = 8,510,327.22 × 3,413,606.85
  4. Step 4: Simplify right side
    6,166,978.50x = 29,050,911,293,933.46
  5. Step 5: Solve for x
    x = 29,050,911,293,933.46/6,166,978.50
  6. Step 6: Final answer
    x = 4,710,720.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.