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Finding the Fourth Proportional to 55,648.96, 83,472.22 and 13,529.26

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Solution

The fourth proportional to 55,648.96, 83,472.22 and 13,529.26 is: 20,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,648.96 : 83,472.22 = 13,529.26 : x
  2. Step 2: Convert to fraction form
    55,648.96/83,472.22 = 13,529.26/x
  3. Step 3: Cross multiply
    55,648.96x = 83,472.22 × 13,529.26
  4. Step 4: Simplify right side
    55,648.96x = 1,129,317,299.51
  5. Step 5: Solve for x
    x = 1,129,317,299.51/55,648.96
  6. Step 6: Final answer
    x = 20,293.59

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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.