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Finding the Fourth Proportional to 66,008.50, 91,097.49 and 36,206.26

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Solution

The fourth proportional to 66,008.50, 91,097.49 and 36,206.26 is: 49,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,008.50 : 91,097.49 = 36,206.26 : x
  2. Step 2: Convert to fraction form
    66,008.50/91,097.49 = 36,206.26/x
  3. Step 3: Cross multiply
    66,008.50x = 91,097.49 × 36,206.26
  4. Step 4: Simplify right side
    66,008.50x = 3,298,299,408.29
  5. Step 5: Solve for x
    x = 3,298,299,408.29/66,008.50
  6. Step 6: Final answer
    x = 49,967.80

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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.