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Finding the Fourth Proportional to 52,299, 72,170.25 and 29,636.67

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Solution

The fourth proportional to 52,299, 72,170.25 and 29,636.67 is: 40,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,299 : 72,170.25 = 29,636.67 : x
  2. Step 2: Convert to fraction form
    52,299/72,170.25 = 29,636.67/x
  3. Step 3: Cross multiply
    52,299x = 72,170.25 × 29,636.67
  4. Step 4: Simplify right side
    52,299x = 2,138,885,883.07
  5. Step 5: Solve for x
    x = 2,138,885,883.07/52,299
  6. Step 6: Final answer
    x = 40,897.26

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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.