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Finding the Fourth Proportional to 32,888.58, 45,401.04 and 20,967.90

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Solution

The fourth proportional to 32,888.58, 45,401.04 and 20,967.90 is: 28,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,888.58 : 45,401.04 = 20,967.90 : x
  2. Step 2: Convert to fraction form
    32,888.58/45,401.04 = 20,967.90/x
  3. Step 3: Cross multiply
    32,888.58x = 45,401.04 × 20,967.90
  4. Step 4: Simplify right side
    32,888.58x = 951,964,466.62
  5. Step 5: Solve for x
    x = 951,964,466.62/32,888.58
  6. Step 6: Final answer
    x = 28,945.14

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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.