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Finding the Fourth Proportional to 4,859.52, 7,290.36 and 1,396.50

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Solution

The fourth proportional to 4,859.52, 7,290.36 and 1,396.50 is: 2,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.52 : 7,290.36 = 1,396.50 : x
  2. Step 2: Convert to fraction form
    4,859.52/7,290.36 = 1,396.50/x
  3. Step 3: Cross multiply
    4,859.52x = 7,290.36 × 1,396.50
  4. Step 4: Simplify right side
    4,859.52x = 10,180,987.74
  5. Step 5: Solve for x
    x = 10,180,987.74/4,859.52
  6. Step 6: Final answer
    x = 2,095.06

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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.