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Finding the Fourth Proportional to 23,952.90, 33,038.60 and 15,771.90

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Solution

The fourth proportional to 23,952.90, 33,038.60 and 15,771.90 is: 21,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,952.90 : 33,038.60 = 15,771.90 : x
  2. Step 2: Convert to fraction form
    23,952.90/33,038.60 = 15,771.90/x
  3. Step 3: Cross multiply
    23,952.90x = 33,038.60 × 15,771.90
  4. Step 4: Simplify right side
    23,952.90x = 521,081,495.34
  5. Step 5: Solve for x
    x = 521,081,495.34/23,952.90
  6. Step 6: Final answer
    x = 21,754.42

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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.