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Finding the Fourth Proportional to 57,870.72, 86,809.46 and 22,332.24

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Solution

The fourth proportional to 57,870.72, 86,809.46 and 22,332.24 is: 33,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,870.72 : 86,809.46 = 22,332.24 : x
  2. Step 2: Convert to fraction form
    57,870.72/86,809.46 = 22,332.24/x
  3. Step 3: Cross multiply
    57,870.72x = 86,809.46 × 22,332.24
  4. Step 4: Simplify right side
    57,870.72x = 1,938,649,694.99
  5. Step 5: Solve for x
    x = 1,938,649,694.99/57,870.72
  6. Step 6: Final answer
    x = 33,499.66

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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.