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Finding the Fourth Proportional to 55,860.72, 77,092.08 and 31,994.88

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Solution

The fourth proportional to 55,860.72, 77,092.08 and 31,994.88 is: 44,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.72 : 77,092.08 = 31,994.88 : x
  2. Step 2: Convert to fraction form
    55,860.72/77,092.08 = 31,994.88/x
  3. Step 3: Cross multiply
    55,860.72x = 77,092.08 × 31,994.88
  4. Step 4: Simplify right side
    55,860.72x = 2,466,551,848.55
  5. Step 5: Solve for x
    x = 2,466,551,848.55/55,860.72
  6. Step 6: Final answer
    x = 44,155.39

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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.