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Finding the Fourth Proportional to 30,394.58, 41,943.42 and 19,070.17

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Solution

The fourth proportional to 30,394.58, 41,943.42 and 19,070.17 is: 26,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.58 : 41,943.42 = 19,070.17 : x
  2. Step 2: Convert to fraction form
    30,394.58/41,943.42 = 19,070.17/x
  3. Step 3: Cross multiply
    30,394.58x = 41,943.42 × 19,070.17
  4. Step 4: Simplify right side
    30,394.58x = 799,868,044.92
  5. Step 5: Solve for x
    x = 799,868,044.92/30,394.58
  6. Step 6: Final answer
    x = 26,316.15

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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.