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Finding the Fourth Proportional to 32,484.58, 44,827.45 and 20,391.57

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Solution

The fourth proportional to 32,484.58, 44,827.45 and 20,391.57 is: 28,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,484.58 : 44,827.45 = 20,391.57 : x
  2. Step 2: Convert to fraction form
    32,484.58/44,827.45 = 20,391.57/x
  3. Step 3: Cross multiply
    32,484.58x = 44,827.45 × 20,391.57
  4. Step 4: Simplify right side
    32,484.58x = 914,102,084.60
  5. Step 5: Solve for x
    x = 914,102,084.60/32,484.58
  6. Step 6: Final answer
    x = 28,139.57

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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.