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Finding the Fourth Proportional to 9,798.26, 13,521.99 and 5,606.51

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Solution

The fourth proportional to 9,798.26, 13,521.99 and 5,606.51 is: 7,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.26 : 13,521.99 = 5,606.51 : x
  2. Step 2: Convert to fraction form
    9,798.26/13,521.99 = 5,606.51/x
  3. Step 3: Cross multiply
    9,798.26x = 13,521.99 × 5,606.51
  4. Step 4: Simplify right side
    9,798.26x = 75,811,104.54
  5. Step 5: Solve for x
    x = 75,811,104.54/9,798.26
  6. Step 6: Final answer
    x = 7,737.20

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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.