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Finding the Fourth Proportional to 3,047.96, 4,570.31 and 967.40

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Solution

The fourth proportional to 3,047.96, 4,570.31 and 967.40 is: 1,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.96 : 4,570.31 = 967.40 : x
  2. Step 2: Convert to fraction form
    3,047.96/4,570.31 = 967.40/x
  3. Step 3: Cross multiply
    3,047.96x = 4,570.31 × 967.40
  4. Step 4: Simplify right side
    3,047.96x = 4,421,313.06
  5. Step 5: Solve for x
    x = 4,421,313.06/3,047.96
  6. Step 6: Final answer
    x = 1,450.58

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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.