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Finding the Fourth Proportional to 5,683.06, 7,842.63 and 3,165.66

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Solution

The fourth proportional to 5,683.06, 7,842.63 and 3,165.66 is: 4,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.06 : 7,842.63 = 3,165.66 : x
  2. Step 2: Convert to fraction form
    5,683.06/7,842.63 = 3,165.66/x
  3. Step 3: Cross multiply
    5,683.06x = 7,842.63 × 3,165.66
  4. Step 4: Simplify right side
    5,683.06x = 24,827,045.04
  5. Step 5: Solve for x
    x = 24,827,045.04/5,683.06
  6. Step 6: Final answer
    x = 4,368.61

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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.