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Finding the Fourth Proportional to 52,581.54, 72,561.54 and 29,920.02

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Solution

The fourth proportional to 52,581.54, 72,561.54 and 29,920.02 is: 41,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.54 : 72,561.54 = 29,920.02 : x
  2. Step 2: Convert to fraction form
    52,581.54/72,561.54 = 29,920.02/x
  3. Step 3: Cross multiply
    52,581.54x = 72,561.54 × 29,920.02
  4. Step 4: Simplify right side
    52,581.54x = 2,171,042,728.03
  5. Step 5: Solve for x
    x = 2,171,042,728.03/52,581.54
  6. Step 6: Final answer
    x = 41,289.07

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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.