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Finding the Fourth Proportional to 7,199.94, 10,797.45 and 3,499.80

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Solution

The fourth proportional to 7,199.94, 10,797.45 and 3,499.80 is: 5,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.94 : 10,797.45 = 3,499.80 : x
  2. Step 2: Convert to fraction form
    7,199.94/10,797.45 = 3,499.80/x
  3. Step 3: Cross multiply
    7,199.94x = 10,797.45 × 3,499.80
  4. Step 4: Simplify right side
    7,199.94x = 37,788,915.51
  5. Step 5: Solve for x
    x = 37,788,915.51/7,199.94
  6. Step 6: Final answer
    x = 5,248.50

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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.