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Finding the Fourth Proportional to 30,359.88, 41,898.06 and 17,788.68

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Solution

The fourth proportional to 30,359.88, 41,898.06 and 17,788.68 is: 24,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.88 : 41,898.06 = 17,788.68 : x
  2. Step 2: Convert to fraction form
    30,359.88/41,898.06 = 17,788.68/x
  3. Step 3: Cross multiply
    30,359.88x = 41,898.06 × 17,788.68
  4. Step 4: Simplify right side
    30,359.88x = 745,311,181.96
  5. Step 5: Solve for x
    x = 745,311,181.96/30,359.88
  6. Step 6: Final answer
    x = 24,549.21

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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.