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Finding the Fourth Proportional to 63,579.35, 87,737.76 and 34,898.98

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Solution

The fourth proportional to 63,579.35, 87,737.76 and 34,898.98 is: 48,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,579.35 : 87,737.76 = 34,898.98 : x
  2. Step 2: Convert to fraction form
    63,579.35/87,737.76 = 34,898.98/x
  3. Step 3: Cross multiply
    63,579.35x = 87,737.76 × 34,898.98
  4. Step 4: Simplify right side
    63,579.35x = 3,061,957,892.80
  5. Step 5: Solve for x
    x = 3,061,957,892.80/63,579.35
  6. Step 6: Final answer
    x = 48,159.63

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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.