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Finding the Fourth Proportional to 58,234.56, 87,289.56 and 30,126.33

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Solution

The fourth proportional to 58,234.56, 87,289.56 and 30,126.33 is: 45,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,234.56 : 87,289.56 = 30,126.33 : x
  2. Step 2: Convert to fraction form
    58,234.56/87,289.56 = 30,126.33/x
  3. Step 3: Cross multiply
    58,234.56x = 87,289.56 × 30,126.33
  4. Step 4: Simplify right side
    58,234.56x = 2,629,714,090.11
  5. Step 5: Solve for x
    x = 2,629,714,090.11/58,234.56
  6. Step 6: Final answer
    x = 45,157.28

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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.