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Finding the Fourth Proportional to 35,959.72, 53,963.56 and 12,586.14

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Solution

The fourth proportional to 35,959.72, 53,963.56 and 12,586.14 is: 18,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.72 : 53,963.56 = 12,586.14 : x
  2. Step 2: Convert to fraction form
    35,959.72/53,963.56 = 12,586.14/x
  3. Step 3: Cross multiply
    35,959.72x = 53,963.56 × 12,586.14
  4. Step 4: Simplify right side
    35,959.72x = 679,192,921.06
  5. Step 5: Solve for x
    x = 679,192,921.06/35,959.72
  6. Step 6: Final answer
    x = 18,887.60

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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.