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Finding the Fourth Proportional to 25,615.01, 38,409.15 and 12,092.06

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Solution

The fourth proportional to 25,615.01, 38,409.15 and 12,092.06 is: 18,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.01 : 38,409.15 = 12,092.06 : x
  2. Step 2: Convert to fraction form
    25,615.01/38,409.15 = 12,092.06/x
  3. Step 3: Cross multiply
    25,615.01x = 38,409.15 × 12,092.06
  4. Step 4: Simplify right side
    25,615.01x = 464,445,746.35
  5. Step 5: Solve for x
    x = 464,445,746.35/25,615.01
  6. Step 6: Final answer
    x = 18,131.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.