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Finding the Fourth Proportional to 33,280.16, 45,929.04 and 19,137.44

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Solution

The fourth proportional to 33,280.16, 45,929.04 and 19,137.44 is: 26,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.16 : 45,929.04 = 19,137.44 : x
  2. Step 2: Convert to fraction form
    33,280.16/45,929.04 = 19,137.44/x
  3. Step 3: Cross multiply
    33,280.16x = 45,929.04 × 19,137.44
  4. Step 4: Simplify right side
    33,280.16x = 878,964,247.26
  5. Step 5: Solve for x
    x = 878,964,247.26/33,280.16
  6. Step 6: Final answer
    x = 26,411.06

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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.