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Finding the Fourth Proportional to 8,988.37, 13,483.70 and 4,822.68

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Solution

The fourth proportional to 8,988.37, 13,483.70 and 4,822.68 is: 7,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.37 : 13,483.70 = 4,822.68 : x
  2. Step 2: Convert to fraction form
    8,988.37/13,483.70 = 4,822.68/x
  3. Step 3: Cross multiply
    8,988.37x = 13,483.70 × 4,822.68
  4. Step 4: Simplify right side
    8,988.37x = 65,027,570.32
  5. Step 5: Solve for x
    x = 65,027,570.32/8,988.37
  6. Step 6: Final answer
    x = 7,234.63

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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.