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Finding the Fourth Proportional to 8,504.85, 11,736.63 and 4,728.36

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Solution

The fourth proportional to 8,504.85, 11,736.63 and 4,728.36 is: 6,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.85 : 11,736.63 = 4,728.36 : x
  2. Step 2: Convert to fraction form
    8,504.85/11,736.63 = 4,728.36/x
  3. Step 3: Cross multiply
    8,504.85x = 11,736.63 × 4,728.36
  4. Step 4: Simplify right side
    8,504.85x = 55,495,011.83
  5. Step 5: Solve for x
    x = 55,495,011.83/8,504.85
  6. Step 6: Final answer
    x = 6,525.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.