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Finding the Fourth Proportional to 32,580.96, 44,966.52 and 20,645.40

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Solution

The fourth proportional to 32,580.96, 44,966.52 and 20,645.40 is: 28,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,580.96 : 44,966.52 = 20,645.40 : x
  2. Step 2: Convert to fraction form
    32,580.96/44,966.52 = 20,645.40/x
  3. Step 3: Cross multiply
    32,580.96x = 44,966.52 × 20,645.40
  4. Step 4: Simplify right side
    32,580.96x = 928,351,792.01
  5. Step 5: Solve for x
    x = 928,351,792.01/32,580.96
  6. Step 6: Final answer
    x = 28,493.69

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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.