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Finding the Fourth Proportional to 5,309.25, 7,970.03 and 2,848.88

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Solution

The fourth proportional to 5,309.25, 7,970.03 and 2,848.88 is: 4,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.25 : 7,970.03 = 2,848.88 : x
  2. Step 2: Convert to fraction form
    5,309.25/7,970.03 = 2,848.88/x
  3. Step 3: Cross multiply
    5,309.25x = 7,970.03 × 2,848.88
  4. Step 4: Simplify right side
    5,309.25x = 22,705,659.07
  5. Step 5: Solve for x
    x = 22,705,659.07/5,309.25
  6. Step 6: Final answer
    x = 4,276.62

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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.