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Finding the Fourth Proportional to 60,083.76, 90,126.84 and 18,530.76

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Solution

The fourth proportional to 60,083.76, 90,126.84 and 18,530.76 is: 27,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,083.76 : 90,126.84 = 18,530.76 : x
  2. Step 2: Convert to fraction form
    60,083.76/90,126.84 = 18,530.76/x
  3. Step 3: Cross multiply
    60,083.76x = 90,126.84 × 18,530.76
  4. Step 4: Simplify right side
    60,083.76x = 1,670,118,841.60
  5. Step 5: Solve for x
    x = 1,670,118,841.60/60,083.76
  6. Step 6: Final answer
    x = 27,796.51

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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.