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Finding the Fourth Proportional to 32,406.90, 44,721.18 and 18,259.74

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Solution

The fourth proportional to 32,406.90, 44,721.18 and 18,259.74 is: 25,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,406.90 : 44,721.18 = 18,259.74 : x
  2. Step 2: Convert to fraction form
    32,406.90/44,721.18 = 18,259.74/x
  3. Step 3: Cross multiply
    32,406.90x = 44,721.18 × 18,259.74
  4. Step 4: Simplify right side
    32,406.90x = 816,597,119.29
  5. Step 5: Solve for x
    x = 816,597,119.29/32,406.90
  6. Step 6: Final answer
    x = 25,198.25

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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.