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Finding the Fourth Proportional to 60,931.64, 84,086.78 and 37,059.32

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Solution

The fourth proportional to 60,931.64, 84,086.78 and 37,059.32 is: 51,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,931.64 : 84,086.78 = 37,059.32 : x
  2. Step 2: Convert to fraction form
    60,931.64/84,086.78 = 37,059.32/x
  3. Step 3: Cross multiply
    60,931.64x = 84,086.78 × 37,059.32
  4. Step 4: Simplify right side
    60,931.64x = 3,116,198,887.79
  5. Step 5: Solve for x
    x = 3,116,198,887.79/60,931.64
  6. Step 6: Final answer
    x = 51,142.54

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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.