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Finding the Fourth Proportional to 35,679.74, 53,536.22 and 15,971.63

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Solution

The fourth proportional to 35,679.74, 53,536.22 and 15,971.63 is: 23,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.74 : 53,536.22 = 15,971.63 : x
  2. Step 2: Convert to fraction form
    35,679.74/53,536.22 = 15,971.63/x
  3. Step 3: Cross multiply
    35,679.74x = 53,536.22 × 15,971.63
  4. Step 4: Simplify right side
    35,679.74x = 855,060,617.58
  5. Step 5: Solve for x
    x = 855,060,617.58/35,679.74
  6. Step 6: Final answer
    x = 23,964.88

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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.