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Finding the Fourth Proportional to 39,231.40, 58,847.10 and 37,287.40

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Solution

The fourth proportional to 39,231.40, 58,847.10 and 37,287.40 is: 55,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.40 : 58,847.10 = 37,287.40 : x
  2. Step 2: Convert to fraction form
    39,231.40/58,847.10 = 37,287.40/x
  3. Step 3: Cross multiply
    39,231.40x = 58,847.10 × 37,287.40
  4. Step 4: Simplify right side
    39,231.40x = 2,194,255,356.54
  5. Step 5: Solve for x
    x = 2,194,255,356.54/39,231.40
  6. Step 6: Final answer
    x = 55,931.10

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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.