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Finding the Fourth Proportional to 32,989.50, 45,525.51 and 18,085.50

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Solution

The fourth proportional to 32,989.50, 45,525.51 and 18,085.50 is: 24,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.50 : 45,525.51 = 18,085.50 : x
  2. Step 2: Convert to fraction form
    32,989.50/45,525.51 = 18,085.50/x
  3. Step 3: Cross multiply
    32,989.50x = 45,525.51 × 18,085.50
  4. Step 4: Simplify right side
    32,989.50x = 823,351,611.11
  5. Step 5: Solve for x
    x = 823,351,611.11/32,989.50
  6. Step 6: Final answer
    x = 24,957.99

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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.