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Finding the Fourth Proportional to 8,845.84, 13,245.04 and 4,677.20

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Solution

The fourth proportional to 8,845.84, 13,245.04 and 4,677.20 is: 7,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.84 : 13,245.04 = 4,677.20 : x
  2. Step 2: Convert to fraction form
    8,845.84/13,245.04 = 4,677.20/x
  3. Step 3: Cross multiply
    8,845.84x = 13,245.04 × 4,677.20
  4. Step 4: Simplify right side
    8,845.84x = 61,949,701.09
  5. Step 5: Solve for x
    x = 61,949,701.09/8,845.84
  6. Step 6: Final answer
    x = 7,003.26

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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.