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Finding the Fourth Proportional to 66,260.12, 99,334 and 28,792

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Solution

The fourth proportional to 66,260.12, 99,334 and 28,792 is: 43,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260.12 : 99,334 = 28,792 : x
  2. Step 2: Convert to fraction form
    66,260.12/99,334 = 28,792/x
  3. Step 3: Cross multiply
    66,260.12x = 99,334 × 28,792
  4. Step 4: Simplify right side
    66,260.12x = 2,860,024,528
  5. Step 5: Solve for x
    x = 2,860,024,528/66,260.12
  6. Step 6: Final answer
    x = 43,163.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.