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Finding the Fourth Proportional to 58,333.72, 80,472.52 and 38,181.72

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Solution

The fourth proportional to 58,333.72, 80,472.52 and 38,181.72 is: 52,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,333.72 : 80,472.52 = 38,181.72 : x
  2. Step 2: Convert to fraction form
    58,333.72/80,472.52 = 38,181.72/x
  3. Step 3: Cross multiply
    58,333.72x = 80,472.52 × 38,181.72
  4. Step 4: Simplify right side
    58,333.72x = 3,072,579,226.33
  5. Step 5: Solve for x
    x = 3,072,579,226.33/58,333.72
  6. Step 6: Final answer
    x = 52,672.44

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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.