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Finding the Fourth Proportional to 30,197.58, 45,296.08 and 18,354.63

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Solution

The fourth proportional to 30,197.58, 45,296.08 and 18,354.63 is: 27,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.58 : 45,296.08 = 18,354.63 : x
  2. Step 2: Convert to fraction form
    30,197.58/45,296.08 = 18,354.63/x
  3. Step 3: Cross multiply
    30,197.58x = 45,296.08 × 18,354.63
  4. Step 4: Simplify right side
    30,197.58x = 831,392,788.85
  5. Step 5: Solve for x
    x = 831,392,788.85/30,197.58
  6. Step 6: Final answer
    x = 27,531.77

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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.