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Finding the Fourth Proportional to 30,159.68, 45,246.96 and 9,099.27

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Solution

The fourth proportional to 30,159.68, 45,246.96 and 9,099.27 is: 13,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.68 : 45,246.96 = 9,099.27 : x
  2. Step 2: Convert to fraction form
    30,159.68/45,246.96 = 9,099.27/x
  3. Step 3: Cross multiply
    30,159.68x = 45,246.96 × 9,099.27
  4. Step 4: Simplify right side
    30,159.68x = 411,714,305.72
  5. Step 5: Solve for x
    x = 411,714,305.72/30,159.68
  6. Step 6: Final answer
    x = 13,651.15

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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.