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Finding the Fourth Proportional to 30,073.52, 41,502.12 and 19,481.58

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Solution

The fourth proportional to 30,073.52, 41,502.12 and 19,481.58 is: 26,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.52 : 41,502.12 = 19,481.58 : x
  2. Step 2: Convert to fraction form
    30,073.52/41,502.12 = 19,481.58/x
  3. Step 3: Cross multiply
    30,073.52x = 41,502.12 × 19,481.58
  4. Step 4: Simplify right side
    30,073.52x = 808,526,870.95
  5. Step 5: Solve for x
    x = 808,526,870.95/30,073.52
  6. Step 6: Final answer
    x = 26,885.01

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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.