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Finding the Fourth Proportional to 63,208.72, 87,226.36 and 34,913.80

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Solution

The fourth proportional to 63,208.72, 87,226.36 and 34,913.80 is: 48,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,208.72 : 87,226.36 = 34,913.80 : x
  2. Step 2: Convert to fraction form
    63,208.72/87,226.36 = 34,913.80/x
  3. Step 3: Cross multiply
    63,208.72x = 87,226.36 × 34,913.80
  4. Step 4: Simplify right side
    63,208.72x = 3,045,403,687.77
  5. Step 5: Solve for x
    x = 3,045,403,687.77/63,208.72
  6. Step 6: Final answer
    x = 48,180.12

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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.