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Finding the Fourth Proportional to 7,271.57, 10,907.45 and 2,077.45

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Solution

The fourth proportional to 7,271.57, 10,907.45 and 2,077.45 is: 3,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.57 : 10,907.45 = 2,077.45 : x
  2. Step 2: Convert to fraction form
    7,271.57/10,907.45 = 2,077.45/x
  3. Step 3: Cross multiply
    7,271.57x = 10,907.45 × 2,077.45
  4. Step 4: Simplify right side
    7,271.57x = 22,659,682.00
  5. Step 5: Solve for x
    x = 22,659,682.00/7,271.57
  6. Step 6: Final answer
    x = 3,116.20

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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.