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Finding the Fourth Proportional to 28,461.37, 39,273.71 and 16,522.37

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Solution

The fourth proportional to 28,461.37, 39,273.71 and 16,522.37 is: 22,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.37 : 39,273.71 = 16,522.37 : x
  2. Step 2: Convert to fraction form
    28,461.37/39,273.71 = 16,522.37/x
  3. Step 3: Cross multiply
    28,461.37x = 39,273.71 × 16,522.37
  4. Step 4: Simplify right side
    28,461.37x = 648,894,783.47
  5. Step 5: Solve for x
    x = 648,894,783.47/28,461.37
  6. Step 6: Final answer
    x = 22,799.14

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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.