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Finding the Fourth Proportional to 56,846.19, 85,220.67 and 21,810.99

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Solution

The fourth proportional to 56,846.19, 85,220.67 and 21,810.99 is: 32,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,846.19 : 85,220.67 = 21,810.99 : x
  2. Step 2: Convert to fraction form
    56,846.19/85,220.67 = 21,810.99/x
  3. Step 3: Cross multiply
    56,846.19x = 85,220.67 × 21,810.99
  4. Step 4: Simplify right side
    56,846.19x = 1,858,747,181.16
  5. Step 5: Solve for x
    x = 1,858,747,181.16/56,846.19
  6. Step 6: Final answer
    x = 32,697.83

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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.