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Finding the Fourth Proportional to 6,369.71, 8,790.15 and 3,537.02

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Solution

The fourth proportional to 6,369.71, 8,790.15 and 3,537.02 is: 4,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.71 : 8,790.15 = 3,537.02 : x
  2. Step 2: Convert to fraction form
    6,369.71/8,790.15 = 3,537.02/x
  3. Step 3: Cross multiply
    6,369.71x = 8,790.15 × 3,537.02
  4. Step 4: Simplify right side
    6,369.71x = 31,090,892.30
  5. Step 5: Solve for x
    x = 31,090,892.30/6,369.71
  6. Step 6: Final answer
    x = 4,881.05

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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.