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Finding the Fourth Proportional to 44,310, 66,427.74 and 18,033.60

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Solution

The fourth proportional to 44,310, 66,427.74 and 18,033.60 is: 27,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,310 : 66,427.74 = 18,033.60 : x
  2. Step 2: Convert to fraction form
    44,310/66,427.74 = 18,033.60/x
  3. Step 3: Cross multiply
    44,310x = 66,427.74 × 18,033.60
  4. Step 4: Simplify right side
    44,310x = 1,197,931,292.06
  5. Step 5: Solve for x
    x = 1,197,931,292.06/44,310
  6. Step 6: Final answer
    x = 27,035.24

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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.