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Finding the Fourth Proportional to 7,290.70, 10,941.45 and 5,346.70

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Solution

The fourth proportional to 7,290.70, 10,941.45 and 5,346.70 is: 8,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.70 : 10,941.45 = 5,346.70 : x
  2. Step 2: Convert to fraction form
    7,290.70/10,941.45 = 5,346.70/x
  3. Step 3: Cross multiply
    7,290.70x = 10,941.45 × 5,346.70
  4. Step 4: Simplify right side
    7,290.70x = 58,500,650.72
  5. Step 5: Solve for x
    x = 58,500,650.72/7,290.70
  6. Step 6: Final answer
    x = 8,024.01

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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.