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Finding the Fourth Proportional to 32,620.71, 48,856.79 and 19,445.85

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Solution

The fourth proportional to 32,620.71, 48,856.79 and 19,445.85 is: 29,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,620.71 : 48,856.79 = 19,445.85 : x
  2. Step 2: Convert to fraction form
    32,620.71/48,856.79 = 19,445.85/x
  3. Step 3: Cross multiply
    32,620.71x = 48,856.79 × 19,445.85
  4. Step 4: Simplify right side
    32,620.71x = 950,061,712.59
  5. Step 5: Solve for x
    x = 950,061,712.59/32,620.71
  6. Step 6: Final answer
    x = 29,124.50

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1.5x scale

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.