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Finding the Fourth Proportional to 8,899.48, 13,349.04 and 2,659.51

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Solution

The fourth proportional to 8,899.48, 13,349.04 and 2,659.51 is: 3,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.48 : 13,349.04 = 2,659.51 : x
  2. Step 2: Convert to fraction form
    8,899.48/13,349.04 = 2,659.51/x
  3. Step 3: Cross multiply
    8,899.48x = 13,349.04 × 2,659.51
  4. Step 4: Simplify right side
    8,899.48x = 35,501,905.37
  5. Step 5: Solve for x
    x = 35,501,905.37/8,899.48
  6. Step 6: Final answer
    x = 3,989.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.