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Finding the Fourth Proportional to 33,124.60, 49,689.30 and 19,948.60

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Solution

The fourth proportional to 33,124.60, 49,689.30 and 19,948.60 is: 29,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.60 : 49,689.30 = 19,948.60 : x
  2. Step 2: Convert to fraction form
    33,124.60/49,689.30 = 19,948.60/x
  3. Step 3: Cross multiply
    33,124.60x = 49,689.30 × 19,948.60
  4. Step 4: Simplify right side
    33,124.60x = 991,231,969.98
  5. Step 5: Solve for x
    x = 991,231,969.98/33,124.60
  6. Step 6: Final answer
    x = 29,924.35

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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.