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Finding the Fourth Proportional to 9,324.99, 12,868.09 and 5,076.06

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Solution

The fourth proportional to 9,324.99, 12,868.09 and 5,076.06 is: 7,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.99 : 12,868.09 = 5,076.06 : x
  2. Step 2: Convert to fraction form
    9,324.99/12,868.09 = 5,076.06/x
  3. Step 3: Cross multiply
    9,324.99x = 12,868.09 × 5,076.06
  4. Step 4: Simplify right side
    9,324.99x = 65,319,184.24
  5. Step 5: Solve for x
    x = 65,319,184.24/9,324.99
  6. Step 6: Final answer
    x = 7,004.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.