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Finding the Fourth Proportional to 6,437.49, 8,883.54 and 3,642.99

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Solution

The fourth proportional to 6,437.49, 8,883.54 and 3,642.99 is: 5,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.49 : 8,883.54 = 3,642.99 : x
  2. Step 2: Convert to fraction form
    6,437.49/8,883.54 = 3,642.99/x
  3. Step 3: Cross multiply
    6,437.49x = 8,883.54 × 3,642.99
  4. Step 4: Simplify right side
    6,437.49x = 32,362,647.38
  5. Step 5: Solve for x
    x = 32,362,647.38/6,437.49
  6. Step 6: Final answer
    x = 5,027.22

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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.