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Finding the Fourth Proportional to 40,615.51, 60,928.31 and 14,314.99

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Solution

The fourth proportional to 40,615.51, 60,928.31 and 14,314.99 is: 21,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,615.51 : 60,928.31 = 14,314.99 : x
  2. Step 2: Convert to fraction form
    40,615.51/60,928.31 = 14,314.99/x
  3. Step 3: Cross multiply
    40,615.51x = 60,928.31 × 14,314.99
  4. Step 4: Simplify right side
    40,615.51x = 872,188,076.79
  5. Step 5: Solve for x
    x = 872,188,076.79/40,615.51
  6. Step 6: Final answer
    x = 21,474.26

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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.