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Finding the Fourth Proportional to 62,906.40, 86,800.95 and 36,043.74

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Solution

The fourth proportional to 62,906.40, 86,800.95 and 36,043.74 is: 49,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,906.40 : 86,800.95 = 36,043.74 : x
  2. Step 2: Convert to fraction form
    62,906.40/86,800.95 = 36,043.74/x
  3. Step 3: Cross multiply
    62,906.40x = 86,800.95 × 36,043.74
  4. Step 4: Simplify right side
    62,906.40x = 3,128,630,873.55
  5. Step 5: Solve for x
    x = 3,128,630,873.55/62,906.40
  6. Step 6: Final answer
    x = 49,734.70

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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.