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Finding the Fourth Proportional to 45,486.56, 68,236.06 and 15,897.54

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Solution

The fourth proportional to 45,486.56, 68,236.06 and 15,897.54 is: 23,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,486.56 : 68,236.06 = 15,897.54 : x
  2. Step 2: Convert to fraction form
    45,486.56/68,236.06 = 15,897.54/x
  3. Step 3: Cross multiply
    45,486.56x = 68,236.06 × 15,897.54
  4. Step 4: Simplify right side
    45,486.56x = 1,084,785,493.29
  5. Step 5: Solve for x
    x = 1,084,785,493.29/45,486.56
  6. Step 6: Final answer
    x = 23,848.48

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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.