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Finding the Fourth Proportional to 30,101.34, 41,545 and 17,352.21

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Solution

The fourth proportional to 30,101.34, 41,545 and 17,352.21 is: 23,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.34 : 41,545 = 17,352.21 : x
  2. Step 2: Convert to fraction form
    30,101.34/41,545 = 17,352.21/x
  3. Step 3: Cross multiply
    30,101.34x = 41,545 × 17,352.21
  4. Step 4: Simplify right side
    30,101.34x = 720,897,564.45
  5. Step 5: Solve for x
    x = 720,897,564.45/30,101.34
  6. Step 6: Final answer
    x = 23,949.02

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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.