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Finding the Fourth Proportional to 52,571.81, 72,555.48 and 29,916.33

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Solution

The fourth proportional to 52,571.81, 72,555.48 and 29,916.33 is: 41,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,571.81 : 72,555.48 = 29,916.33 : x
  2. Step 2: Convert to fraction form
    52,571.81/72,555.48 = 29,916.33/x
  3. Step 3: Cross multiply
    52,571.81x = 72,555.48 × 29,916.33
  4. Step 4: Simplify right side
    52,571.81x = 2,170,593,682.99
  5. Step 5: Solve for x
    x = 2,170,593,682.99/52,571.81
  6. Step 6: Final answer
    x = 41,288.17

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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.