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Finding the Fourth Proportional to 65,250.36, 90,051.76 and 36,569.88

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Solution

The fourth proportional to 65,250.36, 90,051.76 and 36,569.88 is: 50,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.36 : 90,051.76 = 36,569.88 : x
  2. Step 2: Convert to fraction form
    65,250.36/90,051.76 = 36,569.88/x
  3. Step 3: Cross multiply
    65,250.36x = 90,051.76 × 36,569.88
  4. Step 4: Simplify right side
    65,250.36x = 3,293,182,056.99
  5. Step 5: Solve for x
    x = 3,293,182,056.99/65,250.36
  6. Step 6: Final answer
    x = 50,469.94

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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.