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Finding the Fourth Proportional to 9,833.54, 13,570.21 and 5,357.29

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Solution

The fourth proportional to 9,833.54, 13,570.21 and 5,357.29 is: 7,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,833.54 : 13,570.21 = 5,357.29 : x
  2. Step 2: Convert to fraction form
    9,833.54/13,570.21 = 5,357.29/x
  3. Step 3: Cross multiply
    9,833.54x = 13,570.21 × 5,357.29
  4. Step 4: Simplify right side
    9,833.54x = 72,699,469.09
  5. Step 5: Solve for x
    x = 72,699,469.09/9,833.54
  6. Step 6: Final answer
    x = 7,393.01

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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.