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Finding the Fourth Proportional to 63,520.70, 87,658.54 and 35,226.39

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Solution

The fourth proportional to 63,520.70, 87,658.54 and 35,226.39 is: 48,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,520.70 : 87,658.54 = 35,226.39 : x
  2. Step 2: Convert to fraction form
    63,520.70/87,658.54 = 35,226.39/x
  3. Step 3: Cross multiply
    63,520.70x = 87,658.54 × 35,226.39
  4. Step 4: Simplify right side
    63,520.70x = 3,087,893,916.87
  5. Step 5: Solve for x
    x = 3,087,893,916.87/63,520.70
  6. Step 6: Final answer
    x = 48,612.40

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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.