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Finding the Fourth Proportional to 9,860.91, 13,608.04 and 5,829.19

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Solution

The fourth proportional to 9,860.91, 13,608.04 and 5,829.19 is: 8,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.91 : 13,608.04 = 5,829.19 : x
  2. Step 2: Convert to fraction form
    9,860.91/13,608.04 = 5,829.19/x
  3. Step 3: Cross multiply
    9,860.91x = 13,608.04 × 5,829.19
  4. Step 4: Simplify right side
    9,860.91x = 79,323,813.40
  5. Step 5: Solve for x
    x = 79,323,813.40/9,860.91
  6. Step 6: Final answer
    x = 8,044.27

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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.