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Finding the Fourth Proportional to 3,503.58, 4,830.99 and 3,422.94

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Solution

The fourth proportional to 3,503.58, 4,830.99 and 3,422.94 is: 4,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.58 : 4,830.99 = 3,422.94 : x
  2. Step 2: Convert to fraction form
    3,503.58/4,830.99 = 3,422.94/x
  3. Step 3: Cross multiply
    3,503.58x = 4,830.99 × 3,422.94
  4. Step 4: Simplify right side
    3,503.58x = 16,536,188.91
  5. Step 5: Solve for x
    x = 16,536,188.91/3,503.58
  6. Step 6: Final answer
    x = 4,719.80

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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.