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Finding the Fourth Proportional to 44,580, 66,900.72 and 15,396

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Solution

The fourth proportional to 44,580, 66,900.72 and 15,396 is: 23,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,580 : 66,900.72 = 15,396 : x
  2. Step 2: Convert to fraction form
    44,580/66,900.72 = 15,396/x
  3. Step 3: Cross multiply
    44,580x = 66,900.72 × 15,396
  4. Step 4: Simplify right side
    44,580x = 1,030,003,485.12
  5. Step 5: Solve for x
    x = 1,030,003,485.12/44,580
  6. Step 6: Final answer
    x = 23,104.61

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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.