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Finding the Fourth Proportional to 32,873.32, 45,373.62 and 20,290.84

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Solution

The fourth proportional to 32,873.32, 45,373.62 and 20,290.84 is: 28,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,873.32 : 45,373.62 = 20,290.84 : x
  2. Step 2: Convert to fraction form
    32,873.32/45,373.62 = 20,290.84/x
  3. Step 3: Cross multiply
    32,873.32x = 45,373.62 × 20,290.84
  4. Step 4: Simplify right side
    32,873.32x = 920,668,863.64
  5. Step 5: Solve for x
    x = 920,668,863.64/32,873.32
  6. Step 6: Final answer
    x = 28,006.57

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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.