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Finding the Fourth Proportional to 30,080.44, 45,119.76 and 14,296.87

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Solution

The fourth proportional to 30,080.44, 45,119.76 and 14,296.87 is: 21,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,080.44 : 45,119.76 = 14,296.87 : x
  2. Step 2: Convert to fraction form
    30,080.44/45,119.76 = 14,296.87/x
  3. Step 3: Cross multiply
    30,080.44x = 45,119.76 × 14,296.87
  4. Step 4: Simplify right side
    30,080.44x = 645,071,343.15
  5. Step 5: Solve for x
    x = 645,071,343.15/30,080.44
  6. Step 6: Final answer
    x = 21,444.88

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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.