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Finding the Fourth Proportional to 25,393.92, 38,090.88 and 11,546.88

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Solution

The fourth proportional to 25,393.92, 38,090.88 and 11,546.88 is: 17,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.92 : 38,090.88 = 11,546.88 : x
  2. Step 2: Convert to fraction form
    25,393.92/38,090.88 = 11,546.88/x
  3. Step 3: Cross multiply
    25,393.92x = 38,090.88 × 11,546.88
  4. Step 4: Simplify right side
    25,393.92x = 439,830,820.45
  5. Step 5: Solve for x
    x = 439,830,820.45/25,393.92
  6. Step 6: Final answer
    x = 17,320.32

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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.