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Finding the Fourth Proportional to 56,995.89, 85,493.84 and 15,442.89

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Solution

The fourth proportional to 56,995.89, 85,493.84 and 15,442.89 is: 23,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.89 : 85,493.84 = 15,442.89 : x
  2. Step 2: Convert to fraction form
    56,995.89/85,493.84 = 15,442.89/x
  3. Step 3: Cross multiply
    56,995.89x = 85,493.84 × 15,442.89
  4. Step 4: Simplify right side
    56,995.89x = 1,320,271,889.58
  5. Step 5: Solve for x
    x = 1,320,271,889.58/56,995.89
  6. Step 6: Final answer
    x = 23,164.34

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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.