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Finding the Fourth Proportional to 15,336.81, 22,995.24 and 7,328.28

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Solution

The fourth proportional to 15,336.81, 22,995.24 and 7,328.28 is: 10,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.81 : 22,995.24 = 7,328.28 : x
  2. Step 2: Convert to fraction form
    15,336.81/22,995.24 = 7,328.28/x
  3. Step 3: Cross multiply
    15,336.81x = 22,995.24 × 7,328.28
  4. Step 4: Simplify right side
    15,336.81x = 168,515,557.39
  5. Step 5: Solve for x
    x = 168,515,557.39/15,336.81
  6. Step 6: Final answer
    x = 10,987.65

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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.