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Finding the Fourth Proportional to 7,954.90, 10,977.46 and 4,418.34

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Solution

The fourth proportional to 7,954.90, 10,977.46 and 4,418.34 is: 6,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.90 : 10,977.46 = 4,418.34 : x
  2. Step 2: Convert to fraction form
    7,954.90/10,977.46 = 4,418.34/x
  3. Step 3: Cross multiply
    7,954.90x = 10,977.46 × 4,418.34
  4. Step 4: Simplify right side
    7,954.90x = 48,502,131.37
  5. Step 5: Solve for x
    x = 48,502,131.37/7,954.90
  6. Step 6: Final answer
    x = 6,097.14

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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.