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Finding the Fourth Proportional to 8,301.96, 11,448.54 and 7,041.60

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Solution

The fourth proportional to 8,301.96, 11,448.54 and 7,041.60 is: 9,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.96 : 11,448.54 = 7,041.60 : x
  2. Step 2: Convert to fraction form
    8,301.96/11,448.54 = 7,041.60/x
  3. Step 3: Cross multiply
    8,301.96x = 11,448.54 × 7,041.60
  4. Step 4: Simplify right side
    8,301.96x = 80,616,039.26
  5. Step 5: Solve for x
    x = 80,616,039.26/8,301.96
  6. Step 6: Final answer
    x = 9,710.48

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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.