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Finding the Fourth Proportional to 5,532.87, 7,630.87 and 5,071.63

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Solution

The fourth proportional to 5,532.87, 7,630.87 and 5,071.63 is: 6,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,532.87 : 7,630.87 = 5,071.63 : x
  2. Step 2: Convert to fraction form
    5,532.87/7,630.87 = 5,071.63/x
  3. Step 3: Cross multiply
    5,532.87x = 7,630.87 × 5,071.63
  4. Step 4: Simplify right side
    5,532.87x = 38,700,949.22
  5. Step 5: Solve for x
    x = 38,700,949.22/5,532.87
  6. Step 6: Final answer
    x = 6,994.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.