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Finding the Fourth Proportional to 57,482.80, 86,224.23 and 15,929.80

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Solution

The fourth proportional to 57,482.80, 86,224.23 and 15,929.80 is: 23,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,482.80 : 86,224.23 = 15,929.80 : x
  2. Step 2: Convert to fraction form
    57,482.80/86,224.23 = 15,929.80/x
  3. Step 3: Cross multiply
    57,482.80x = 86,224.23 × 15,929.80
  4. Step 4: Simplify right side
    57,482.80x = 1,373,534,523.49
  5. Step 5: Solve for x
    x = 1,373,534,523.49/57,482.80
  6. Step 6: Final answer
    x = 23,894.71

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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.