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Finding the Fourth Proportional to 8,999.64, 13,503.35 and 4,834.78

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Solution

The fourth proportional to 8,999.64, 13,503.35 and 4,834.78 is: 7,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.64 : 13,503.35 = 4,834.78 : x
  2. Step 2: Convert to fraction form
    8,999.64/13,503.35 = 4,834.78/x
  3. Step 3: Cross multiply
    8,999.64x = 13,503.35 × 4,834.78
  4. Step 4: Simplify right side
    8,999.64x = 65,285,704.84
  5. Step 5: Solve for x
    x = 65,285,704.84/8,999.64
  6. Step 6: Final answer
    x = 7,254.26

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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.