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Finding the Fourth Proportional to 35,959.68, 53,952.48 and 12,589.56

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Solution

The fourth proportional to 35,959.68, 53,952.48 and 12,589.56 is: 18,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.68 : 53,952.48 = 12,589.56 : x
  2. Step 2: Convert to fraction form
    35,959.68/53,952.48 = 12,589.56/x
  3. Step 3: Cross multiply
    35,959.68x = 53,952.48 × 12,589.56
  4. Step 4: Simplify right side
    35,959.68x = 679,237,984.11
  5. Step 5: Solve for x
    x = 679,237,984.11/35,959.68
  6. Step 6: Final answer
    x = 18,888.88

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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.