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Finding the Fourth Proportional to 8,755.63, 13,133.64 and 4,884.67

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Solution

The fourth proportional to 8,755.63, 13,133.64 and 4,884.67 is: 7,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.63 : 13,133.64 = 4,884.67 : x
  2. Step 2: Convert to fraction form
    8,755.63/13,133.64 = 4,884.67/x
  3. Step 3: Cross multiply
    8,755.63x = 13,133.64 × 4,884.67
  4. Step 4: Simplify right side
    8,755.63x = 64,153,497.30
  5. Step 5: Solve for x
    x = 64,153,497.30/8,755.63
  6. Step 6: Final answer
    x = 7,327.11

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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.