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Finding the Fourth Proportional to 32,369.52, 44,683.76 and 21,765.30

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Solution

The fourth proportional to 32,369.52, 44,683.76 and 21,765.30 is: 30,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,369.52 : 44,683.76 = 21,765.30 : x
  2. Step 2: Convert to fraction form
    32,369.52/44,683.76 = 21,765.30/x
  3. Step 3: Cross multiply
    32,369.52x = 44,683.76 × 21,765.30
  4. Step 4: Simplify right side
    32,369.52x = 972,555,441.53
  5. Step 5: Solve for x
    x = 972,555,441.53/32,369.52
  6. Step 6: Final answer
    x = 30,045.41

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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.