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Finding the Fourth Proportional to 56,998.52, 85,497.78 and 15,445.52

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Solution

The fourth proportional to 56,998.52, 85,497.78 and 15,445.52 is: 23,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998.52 : 85,497.78 = 15,445.52 : x
  2. Step 2: Convert to fraction form
    56,998.52/85,497.78 = 15,445.52/x
  3. Step 3: Cross multiply
    56,998.52x = 85,497.78 × 15,445.52
  4. Step 4: Simplify right side
    56,998.52x = 1,320,557,670.95
  5. Step 5: Solve for x
    x = 1,320,557,670.95/56,998.52
  6. Step 6: Final answer
    x = 23,168.28

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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.