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Finding the Fourth Proportional to 32,559.72, 44,934.48 and 18,220.80

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Solution

The fourth proportional to 32,559.72, 44,934.48 and 18,220.80 is: 25,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,559.72 : 44,934.48 = 18,220.80 : x
  2. Step 2: Convert to fraction form
    32,559.72/44,934.48 = 18,220.80/x
  3. Step 3: Cross multiply
    32,559.72x = 44,934.48 × 18,220.80
  4. Step 4: Simplify right side
    32,559.72x = 818,742,173.18
  5. Step 5: Solve for x
    x = 818,742,173.18/32,559.72
  6. Step 6: Final answer
    x = 25,145.86

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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.