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Finding the Fourth Proportional to 32,259.97, 48,393.06 and 12,540.07

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Solution

The fourth proportional to 32,259.97, 48,393.06 and 12,540.07 is: 18,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,259.97 : 48,393.06 = 12,540.07 : x
  2. Step 2: Convert to fraction form
    32,259.97/48,393.06 = 12,540.07/x
  3. Step 3: Cross multiply
    32,259.97x = 48,393.06 × 12,540.07
  4. Step 4: Simplify right side
    32,259.97x = 606,852,359.91
  5. Step 5: Solve for x
    x = 606,852,359.91/32,259.97
  6. Step 6: Final answer
    x = 18,811.31

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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.