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Finding the Fourth Proportional to 8,881.63, 13,322.37 and 3,259.55

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Solution

The fourth proportional to 8,881.63, 13,322.37 and 3,259.55 is: 4,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.63 : 13,322.37 = 3,259.55 : x
  2. Step 2: Convert to fraction form
    8,881.63/13,322.37 = 3,259.55/x
  3. Step 3: Cross multiply
    8,881.63x = 13,322.37 × 3,259.55
  4. Step 4: Simplify right side
    8,881.63x = 43,424,931.13
  5. Step 5: Solve for x
    x = 43,424,931.13/8,881.63
  6. Step 6: Final answer
    x = 4,889.30

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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.