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Finding the Fourth Proportional to 20,045.88, 30,048.98 and 9,497.25

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Solution

The fourth proportional to 20,045.88, 30,048.98 and 9,497.25 is: 14,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.88 : 30,048.98 = 9,497.25 : x
  2. Step 2: Convert to fraction form
    20,045.88/30,048.98 = 9,497.25/x
  3. Step 3: Cross multiply
    20,045.88x = 30,048.98 × 9,497.25
  4. Step 4: Simplify right side
    20,045.88x = 285,382,627.82
  5. Step 5: Solve for x
    x = 285,382,627.82/20,045.88
  6. Step 6: Final answer
    x = 14,236.47

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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.