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Finding the Fourth Proportional to 41,266.75, 61,900.95 and 13,564.75

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Solution

The fourth proportional to 41,266.75, 61,900.95 and 13,564.75 is: 20,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,266.75 : 61,900.95 = 13,564.75 : x
  2. Step 2: Convert to fraction form
    41,266.75/61,900.95 = 13,564.75/x
  3. Step 3: Cross multiply
    41,266.75x = 61,900.95 × 13,564.75
  4. Step 4: Simplify right side
    41,266.75x = 839,670,911.51
  5. Step 5: Solve for x
    x = 839,670,911.51/41,266.75
  6. Step 6: Final answer
    x = 20,347.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.