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Finding the Fourth Proportional to 32,993.50, 45,512.40 and 19,551.56

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Solution

The fourth proportional to 32,993.50, 45,512.40 and 19,551.56 is: 26,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,993.50 : 45,512.40 = 19,551.56 : x
  2. Step 2: Convert to fraction form
    32,993.50/45,512.40 = 19,551.56/x
  3. Step 3: Cross multiply
    32,993.50x = 45,512.40 × 19,551.56
  4. Step 4: Simplify right side
    32,993.50x = 889,838,419.34
  5. Step 5: Solve for x
    x = 889,838,419.34/32,993.50
  6. Step 6: Final answer
    x = 26,970.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.