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Finding the Fourth Proportional to 57,612.78, 79,489.08 and 37,499.26

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Solution

The fourth proportional to 57,612.78, 79,489.08 and 37,499.26 is: 51,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,612.78 : 79,489.08 = 37,499.26 : x
  2. Step 2: Convert to fraction form
    57,612.78/79,489.08 = 37,499.26/x
  3. Step 3: Cross multiply
    57,612.78x = 79,489.08 × 37,499.26
  4. Step 4: Simplify right side
    57,612.78x = 2,980,781,678.08
  5. Step 5: Solve for x
    x = 2,980,781,678.08/57,612.78
  6. Step 6: Final answer
    x = 51,738.20

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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.