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Finding the Fourth Proportional to 20,598.88, 30,873.60 and 9,490.32

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Solution

The fourth proportional to 20,598.88, 30,873.60 and 9,490.32 is: 14,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.88 : 30,873.60 = 9,490.32 : x
  2. Step 2: Convert to fraction form
    20,598.88/30,873.60 = 9,490.32/x
  3. Step 3: Cross multiply
    20,598.88x = 30,873.60 × 9,490.32
  4. Step 4: Simplify right side
    20,598.88x = 293,000,343.55
  5. Step 5: Solve for x
    x = 293,000,343.55/20,598.88
  6. Step 6: Final answer
    x = 14,224.09

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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.