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Finding the Fourth Proportional to 25,348.97, 34,978.51 and 14,016.94

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Solution

The fourth proportional to 25,348.97, 34,978.51 and 14,016.94 is: 19,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.97 : 34,978.51 = 14,016.94 : x
  2. Step 2: Convert to fraction form
    25,348.97/34,978.51 = 14,016.94/x
  3. Step 3: Cross multiply
    25,348.97x = 34,978.51 × 14,016.94
  4. Step 4: Simplify right side
    25,348.97x = 490,291,675.96
  5. Step 5: Solve for x
    x = 490,291,675.96/25,348.97
  6. Step 6: Final answer
    x = 19,341.68

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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.