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Finding the Fourth Proportional to 32,987.94, 45,523.86 and 18,840.81

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Solution

The fourth proportional to 32,987.94, 45,523.86 and 18,840.81 is: 26,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,987.94 : 45,523.86 = 18,840.81 : x
  2. Step 2: Convert to fraction form
    32,987.94/45,523.86 = 18,840.81/x
  3. Step 3: Cross multiply
    32,987.94x = 45,523.86 × 18,840.81
  4. Step 4: Simplify right side
    32,987.94x = 857,706,396.73
  5. Step 5: Solve for x
    x = 857,706,396.73/32,987.94
  6. Step 6: Final answer
    x = 26,000.60

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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.