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Finding the Fourth Proportional to 35,867, 53,809.14 and 11,243

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Solution

The fourth proportional to 35,867, 53,809.14 and 11,243 is: 16,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,867 : 53,809.14 = 11,243 : x
  2. Step 2: Convert to fraction form
    35,867/53,809.14 = 11,243/x
  3. Step 3: Cross multiply
    35,867x = 53,809.14 × 11,243
  4. Step 4: Simplify right side
    35,867x = 604,976,161.02
  5. Step 5: Solve for x
    x = 604,976,161.02/35,867
  6. Step 6: Final answer
    x = 16,867.21

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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.