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Finding the Fourth Proportional to 8,485.65, 12,732.12 and 6,036.21

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Solution

The fourth proportional to 8,485.65, 12,732.12 and 6,036.21 is: 9,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.65 : 12,732.12 = 6,036.21 : x
  2. Step 2: Convert to fraction form
    8,485.65/12,732.12 = 6,036.21/x
  3. Step 3: Cross multiply
    8,485.65x = 12,732.12 × 6,036.21
  4. Step 4: Simplify right side
    8,485.65x = 76,853,750.07
  5. Step 5: Solve for x
    x = 76,853,750.07/8,485.65
  6. Step 6: Final answer
    x = 9,056.91

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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.