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Finding the Fourth Proportional to 32,621.04, 45,020.52 and 18,474.48

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Solution

The fourth proportional to 32,621.04, 45,020.52 and 18,474.48 is: 25,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,621.04 : 45,020.52 = 18,474.48 : x
  2. Step 2: Convert to fraction form
    32,621.04/45,020.52 = 18,474.48/x
  3. Step 3: Cross multiply
    32,621.04x = 45,020.52 × 18,474.48
  4. Step 4: Simplify right side
    32,621.04x = 831,730,696.33
  5. Step 5: Solve for x
    x = 831,730,696.33/32,621.04
  6. Step 6: Final answer
    x = 25,496.76

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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.