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Finding the Fourth Proportional to 32,600.71, 44,990.09 and 18,261.16

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Solution

The fourth proportional to 32,600.71, 44,990.09 and 18,261.16 is: 25,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,600.71 : 44,990.09 = 18,261.16 : x
  2. Step 2: Convert to fraction form
    32,600.71/44,990.09 = 18,261.16/x
  3. Step 3: Cross multiply
    32,600.71x = 44,990.09 × 18,261.16
  4. Step 4: Simplify right side
    32,600.71x = 821,570,915.65
  5. Step 5: Solve for x
    x = 821,570,915.65/32,600.71
  6. Step 6: Final answer
    x = 25,201.01

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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.