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Finding the Fourth Proportional to 30,296.90, 41,798.90 and 17,543.12

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Solution

The fourth proportional to 30,296.90, 41,798.90 and 17,543.12 is: 24,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.90 : 41,798.90 = 17,543.12 : x
  2. Step 2: Convert to fraction form
    30,296.90/41,798.90 = 17,543.12/x
  3. Step 3: Cross multiply
    30,296.90x = 41,798.90 × 17,543.12
  4. Step 4: Simplify right side
    30,296.90x = 733,283,118.57
  5. Step 5: Solve for x
    x = 733,283,118.57/30,296.90
  6. Step 6: Final answer
    x = 24,203.24

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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.