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Finding the Fourth Proportional to 57,283.24, 85,919.82 and 15,730.24

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Solution

The fourth proportional to 57,283.24, 85,919.82 and 15,730.24 is: 23,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,283.24 : 85,919.82 = 15,730.24 : x
  2. Step 2: Convert to fraction form
    57,283.24/85,919.82 = 15,730.24/x
  3. Step 3: Cross multiply
    57,283.24x = 85,919.82 × 15,730.24
  4. Step 4: Simplify right side
    57,283.24x = 1,351,539,389.36
  5. Step 5: Solve for x
    x = 1,351,539,389.36/57,283.24
  6. Step 6: Final answer
    x = 23,593.98

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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.