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Finding the Fourth Proportional to 5,436.36, 7,486.95 and 4,944.29

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Solution

The fourth proportional to 5,436.36, 7,486.95 and 4,944.29 is: 6,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.36 : 7,486.95 = 4,944.29 : x
  2. Step 2: Convert to fraction form
    5,436.36/7,486.95 = 4,944.29/x
  3. Step 3: Cross multiply
    5,436.36x = 7,486.95 × 4,944.29
  4. Step 4: Simplify right side
    5,436.36x = 37,017,614.58
  5. Step 5: Solve for x
    x = 37,017,614.58/5,436.36
  6. Step 6: Final answer
    x = 6,809.26

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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.