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Finding the Fourth Proportional to 56,312.91, 84,469.30 and 25,914.98

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Solution

The fourth proportional to 56,312.91, 84,469.30 and 25,914.98 is: 38,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312.91 : 84,469.30 = 25,914.98 : x
  2. Step 2: Convert to fraction form
    56,312.91/84,469.30 = 25,914.98/x
  3. Step 3: Cross multiply
    56,312.91x = 84,469.30 × 25,914.98
  4. Step 4: Simplify right side
    56,312.91x = 2,189,020,366.50
  5. Step 5: Solve for x
    x = 2,189,020,366.50/56,312.91
  6. Step 6: Final answer
    x = 38,872.44

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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.