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Finding the Fourth Proportional to 22,363.80, 33,459.30 and 14,587.80

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Solution

The fourth proportional to 22,363.80, 33,459.30 and 14,587.80 is: 21,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.80 : 33,459.30 = 14,587.80 : x
  2. Step 2: Convert to fraction form
    22,363.80/33,459.30 = 14,587.80/x
  3. Step 3: Cross multiply
    22,363.80x = 33,459.30 × 14,587.80
  4. Step 4: Simplify right side
    22,363.80x = 488,097,576.54
  5. Step 5: Solve for x
    x = 488,097,576.54/22,363.80
  6. Step 6: Final answer
    x = 21,825.34

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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.