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Finding the Fourth Proportional to 6,217, 9,317.90 and 2,925.72

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Solution

The fourth proportional to 6,217, 9,317.90 and 2,925.72 is: 4,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217 : 9,317.90 = 2,925.72 : x
  2. Step 2: Convert to fraction form
    6,217/9,317.90 = 2,925.72/x
  3. Step 3: Cross multiply
    6,217x = 9,317.90 × 2,925.72
  4. Step 4: Simplify right side
    6,217x = 27,261,566.39
  5. Step 5: Solve for x
    x = 27,261,566.39/6,217
  6. Step 6: Final answer
    x = 4,385.00

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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.