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Finding the Fourth Proportional to 33,969.60, 50,916.60 and 15,966.72

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Solution

The fourth proportional to 33,969.60, 50,916.60 and 15,966.72 is: 23,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,969.60 : 50,916.60 = 15,966.72 : x
  2. Step 2: Convert to fraction form
    33,969.60/50,916.60 = 15,966.72/x
  3. Step 3: Cross multiply
    33,969.60x = 50,916.60 × 15,966.72
  4. Step 4: Simplify right side
    33,969.60x = 812,971,095.55
  5. Step 5: Solve for x
    x = 812,971,095.55/33,969.60
  6. Step 6: Final answer
    x = 23,932.31

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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.