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Finding the Fourth Proportional to 8,560.30, 12,839.58 and 5,804.68

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Solution

The fourth proportional to 8,560.30, 12,839.58 and 5,804.68 is: 8,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.30 : 12,839.58 = 5,804.68 : x
  2. Step 2: Convert to fraction form
    8,560.30/12,839.58 = 5,804.68/x
  3. Step 3: Cross multiply
    8,560.30x = 12,839.58 × 5,804.68
  4. Step 4: Simplify right side
    8,560.30x = 74,529,653.23
  5. Step 5: Solve for x
    x = 74,529,653.23/8,560.30
  6. Step 6: Final answer
    x = 8,706.43

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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.