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Finding the Fourth Proportional to 20,599.63, 30,899.46 and 5,017.12

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Solution

The fourth proportional to 20,599.63, 30,899.46 and 5,017.12 is: 7,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.63 : 30,899.46 = 5,017.12 : x
  2. Step 2: Convert to fraction form
    20,599.63/30,899.46 = 5,017.12/x
  3. Step 3: Cross multiply
    20,599.63x = 30,899.46 × 5,017.12
  4. Step 4: Simplify right side
    20,599.63x = 155,026,298.76
  5. Step 5: Solve for x
    x = 155,026,298.76/20,599.63
  6. Step 6: Final answer
    x = 7,525.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.