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Finding the Fourth Proportional to 32,843.84, 45,321.80 and 19,415.66

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Solution

The fourth proportional to 32,843.84, 45,321.80 and 19,415.66 is: 26,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,843.84 : 45,321.80 = 19,415.66 : x
  2. Step 2: Convert to fraction form
    32,843.84/45,321.80 = 19,415.66/x
  3. Step 3: Cross multiply
    32,843.84x = 45,321.80 × 19,415.66
  4. Step 4: Simplify right side
    32,843.84x = 879,952,335.70
  5. Step 5: Solve for x
    x = 879,952,335.70/32,843.84
  6. Step 6: Final answer
    x = 26,792.01

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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.