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Finding the Fourth Proportional to 56,141.58, 84,212.06 and 14,021.58

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Solution

The fourth proportional to 56,141.58, 84,212.06 and 14,021.58 is: 21,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.58 : 84,212.06 = 14,021.58 : x
  2. Step 2: Convert to fraction form
    56,141.58/84,212.06 = 14,021.58/x
  3. Step 3: Cross multiply
    56,141.58x = 84,212.06 × 14,021.58
  4. Step 4: Simplify right side
    56,141.58x = 1,180,786,136.25
  5. Step 5: Solve for x
    x = 1,180,786,136.25/56,141.58
  6. Step 6: Final answer
    x = 21,032.29

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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.