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Finding the Fourth Proportional to 9,053.54, 13,578.47 and 2,479.22

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Solution

The fourth proportional to 9,053.54, 13,578.47 and 2,479.22 is: 3,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.54 : 13,578.47 = 2,479.22 : x
  2. Step 2: Convert to fraction form
    9,053.54/13,578.47 = 2,479.22/x
  3. Step 3: Cross multiply
    9,053.54x = 13,578.47 × 2,479.22
  4. Step 4: Simplify right side
    9,053.54x = 33,664,002.00
  5. Step 5: Solve for x
    x = 33,664,002.00/9,053.54
  6. Step 6: Final answer
    x = 3,718.32

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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.