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Finding the Fourth Proportional to 4,992.59, 6,888.51 and 3,663.99

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Solution

The fourth proportional to 4,992.59, 6,888.51 and 3,663.99 is: 5,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.59 : 6,888.51 = 3,663.99 : x
  2. Step 2: Convert to fraction form
    4,992.59/6,888.51 = 3,663.99/x
  3. Step 3: Cross multiply
    4,992.59x = 6,888.51 × 3,663.99
  4. Step 4: Simplify right side
    4,992.59x = 25,239,431.75
  5. Step 5: Solve for x
    x = 25,239,431.75/4,992.59
  6. Step 6: Final answer
    x = 5,055.38

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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.