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Finding the Fourth Proportional to 6,570.70, 9,848.71 and 2,620.91

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Solution

The fourth proportional to 6,570.70, 9,848.71 and 2,620.91 is: 3,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.70 : 9,848.71 = 2,620.91 : x
  2. Step 2: Convert to fraction form
    6,570.70/9,848.71 = 2,620.91/x
  3. Step 3: Cross multiply
    6,570.70x = 9,848.71 × 2,620.91
  4. Step 4: Simplify right side
    6,570.70x = 25,812,600.60
  5. Step 5: Solve for x
    x = 25,812,600.60/6,570.70
  6. Step 6: Final answer
    x = 3,928.44

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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.