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Finding the Fourth Proportional to 16,335, 22,554.99 and 12,552.20

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Solution

The fourth proportional to 16,335, 22,554.99 and 12,552.20 is: 17,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335 : 22,554.99 = 12,552.20 : x
  2. Step 2: Convert to fraction form
    16,335/22,554.99 = 12,552.20/x
  3. Step 3: Cross multiply
    16,335x = 22,554.99 × 12,552.20
  4. Step 4: Simplify right side
    16,335x = 283,114,745.48
  5. Step 5: Solve for x
    x = 283,114,745.48/16,335
  6. Step 6: Final answer
    x = 17,331.79

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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.