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Finding the Fourth Proportional to 6,317.30, 8,721.93 and 5,652.99

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Solution

The fourth proportional to 6,317.30, 8,721.93 and 5,652.99 is: 7,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.30 : 8,721.93 = 5,652.99 : x
  2. Step 2: Convert to fraction form
    6,317.30/8,721.93 = 5,652.99/x
  3. Step 3: Cross multiply
    6,317.30x = 8,721.93 × 5,652.99
  4. Step 4: Simplify right side
    6,317.30x = 49,304,983.07
  5. Step 5: Solve for x
    x = 49,304,983.07/6,317.30
  6. Step 6: Final answer
    x = 7,804.76

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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.