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Finding the Fourth Proportional to 76,058.52, 114,058.56 and 26,129.28

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Solution

The fourth proportional to 76,058.52, 114,058.56 and 26,129.28 is: 39,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,058.52 : 114,058.56 = 26,129.28 : x
  2. Step 2: Convert to fraction form
    76,058.52/114,058.56 = 26,129.28/x
  3. Step 3: Cross multiply
    76,058.52x = 114,058.56 × 26,129.28
  4. Step 4: Simplify right side
    76,058.52x = 2,980,268,050.64
  5. Step 5: Solve for x
    x = 2,980,268,050.64/76,058.52
  6. Step 6: Final answer
    x = 39,183.88

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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.