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Finding the Fourth Proportional to 35,971.97, 53,957.95 and 9,679.37

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Solution

The fourth proportional to 35,971.97, 53,957.95 and 9,679.37 is: 14,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.97 : 53,957.95 = 9,679.37 : x
  2. Step 2: Convert to fraction form
    35,971.97/53,957.95 = 9,679.37/x
  3. Step 3: Cross multiply
    35,971.97x = 53,957.95 × 9,679.37
  4. Step 4: Simplify right side
    35,971.97x = 522,278,668.50
  5. Step 5: Solve for x
    x = 522,278,668.50/35,971.97
  6. Step 6: Final answer
    x = 14,519.05

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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.