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Finding the Fourth Proportional to 39,393.72, 54,359.64 and 23,258.52

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Solution

The fourth proportional to 39,393.72, 54,359.64 and 23,258.52 is: 32,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.72 : 54,359.64 = 23,258.52 : x
  2. Step 2: Convert to fraction form
    39,393.72/54,359.64 = 23,258.52/x
  3. Step 3: Cross multiply
    39,393.72x = 54,359.64 × 23,258.52
  4. Step 4: Simplify right side
    39,393.72x = 1,264,324,774.13
  5. Step 5: Solve for x
    x = 1,264,324,774.13/39,393.72
  6. Step 6: Final answer
    x = 32,094.58

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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.