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Finding the Fourth Proportional to 8,597.80, 12,897.36 and 3,667.48

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Solution

The fourth proportional to 8,597.80, 12,897.36 and 3,667.48 is: 5,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.80 : 12,897.36 = 3,667.48 : x
  2. Step 2: Convert to fraction form
    8,597.80/12,897.36 = 3,667.48/x
  3. Step 3: Cross multiply
    8,597.80x = 12,897.36 × 3,667.48
  4. Step 4: Simplify right side
    8,597.80x = 47,300,809.85
  5. Step 5: Solve for x
    x = 47,300,809.85/8,597.80
  6. Step 6: Final answer
    x = 5,501.50

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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.