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Finding the Fourth Proportional to 56,538.75, 84,847.01 and 19,602.75

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Solution

The fourth proportional to 56,538.75, 84,847.01 and 19,602.75 is: 29,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,538.75 : 84,847.01 = 19,602.75 : x
  2. Step 2: Convert to fraction form
    56,538.75/84,847.01 = 19,602.75/x
  3. Step 3: Cross multiply
    56,538.75x = 84,847.01 × 19,602.75
  4. Step 4: Simplify right side
    56,538.75x = 1,663,234,725.28
  5. Step 5: Solve for x
    x = 1,663,234,725.28/56,538.75
  6. Step 6: Final answer
    x = 29,417.61

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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.