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Finding the Fourth Proportional to 60,575.98, 90,844.54 and 20,041.96

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Solution

The fourth proportional to 60,575.98, 90,844.54 and 20,041.96 is: 30,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,575.98 : 90,844.54 = 20,041.96 : x
  2. Step 2: Convert to fraction form
    60,575.98/90,844.54 = 20,041.96/x
  3. Step 3: Cross multiply
    60,575.98x = 90,844.54 × 20,041.96
  4. Step 4: Simplify right side
    60,575.98x = 1,820,702,636.90
  5. Step 5: Solve for x
    x = 1,820,702,636.90/60,575.98
  6. Step 6: Final answer
    x = 30,056.51

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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.