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Finding the Fourth Proportional to 30,167.71, 41,483.80 and 26,181.90

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Solution

The fourth proportional to 30,167.71, 41,483.80 and 26,181.90 is: 36,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.71 : 41,483.80 = 26,181.90 : x
  2. Step 2: Convert to fraction form
    30,167.71/41,483.80 = 26,181.90/x
  3. Step 3: Cross multiply
    30,167.71x = 41,483.80 × 26,181.90
  4. Step 4: Simplify right side
    30,167.71x = 1,086,124,703.22
  5. Step 5: Solve for x
    x = 1,086,124,703.22/30,167.71
  6. Step 6: Final answer
    x = 36,002.89

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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.