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Finding the Fourth Proportional to 6,955.79, 10,438.22 and 3,010.90

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Solution

The fourth proportional to 6,955.79, 10,438.22 and 3,010.90 is: 4,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.79 : 10,438.22 = 3,010.90 : x
  2. Step 2: Convert to fraction form
    6,955.79/10,438.22 = 3,010.90/x
  3. Step 3: Cross multiply
    6,955.79x = 10,438.22 × 3,010.90
  4. Step 4: Simplify right side
    6,955.79x = 31,428,395.45
  5. Step 5: Solve for x
    x = 31,428,395.45/6,955.79
  6. Step 6: Final answer
    x = 4,518.31

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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.