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Finding the Fourth Proportional to 5,955.36, 8,918.40 and 4,908.96

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Solution

The fourth proportional to 5,955.36, 8,918.40 and 4,908.96 is: 7,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,955.36 : 8,918.40 = 4,908.96 : x
  2. Step 2: Convert to fraction form
    5,955.36/8,918.40 = 4,908.96/x
  3. Step 3: Cross multiply
    5,955.36x = 8,918.40 × 4,908.96
  4. Step 4: Simplify right side
    5,955.36x = 43,780,068.86
  5. Step 5: Solve for x
    x = 43,780,068.86/5,955.36
  6. Step 6: Final answer
    x = 7,351.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.