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Finding the Fourth Proportional to 11,527.55, 17,259.84 and 8,708.12

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Solution

The fourth proportional to 11,527.55, 17,259.84 and 8,708.12 is: 13,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,527.55 : 17,259.84 = 8,708.12 : x
  2. Step 2: Convert to fraction form
    11,527.55/17,259.84 = 8,708.12/x
  3. Step 3: Cross multiply
    11,527.55x = 17,259.84 × 8,708.12
  4. Step 4: Simplify right side
    11,527.55x = 150,300,671.60
  5. Step 5: Solve for x
    x = 150,300,671.60/11,527.55
  6. Step 6: Final answer
    x = 13,038.39

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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.