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Finding the Fourth Proportional to 30,569.44, 45,858.24 and 12,097.12

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Solution

The fourth proportional to 30,569.44, 45,858.24 and 12,097.12 is: 18,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.44 : 45,858.24 = 12,097.12 : x
  2. Step 2: Convert to fraction form
    30,569.44/45,858.24 = 12,097.12/x
  3. Step 3: Cross multiply
    30,569.44x = 45,858.24 × 12,097.12
  4. Step 4: Simplify right side
    30,569.44x = 554,752,632.27
  5. Step 5: Solve for x
    x = 554,752,632.27/30,569.44
  6. Step 6: Final answer
    x = 18,147.29

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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.