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Finding the Fourth Proportional to 58,213.60, 87,258.22 and 33,199.78

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Solution

The fourth proportional to 58,213.60, 87,258.22 and 33,199.78 is: 49,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,213.60 : 87,258.22 = 33,199.78 : x
  2. Step 2: Convert to fraction form
    58,213.60/87,258.22 = 33,199.78/x
  3. Step 3: Cross multiply
    58,213.60x = 87,258.22 × 33,199.78
  4. Step 4: Simplify right side
    58,213.60x = 2,896,953,707.19
  5. Step 5: Solve for x
    x = 2,896,953,707.19/58,213.60
  6. Step 6: Final answer
    x = 49,764.21

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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.