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Finding the Fourth Proportional to 15,047.69, 22,559.22 and 5,682.40

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Solution

The fourth proportional to 15,047.69, 22,559.22 and 5,682.40 is: 8,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047.69 : 22,559.22 = 5,682.40 : x
  2. Step 2: Convert to fraction form
    15,047.69/22,559.22 = 5,682.40/x
  3. Step 3: Cross multiply
    15,047.69x = 22,559.22 × 5,682.40
  4. Step 4: Simplify right side
    15,047.69x = 128,190,455.33
  5. Step 5: Solve for x
    x = 128,190,455.33/15,047.69
  6. Step 6: Final answer
    x = 8,518.94

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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.