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Finding the Fourth Proportional to 35,959.71, 53,939.84 and 11,000.21

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Solution

The fourth proportional to 35,959.71, 53,939.84 and 11,000.21 is: 16,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.71 : 53,939.84 = 11,000.21 : x
  2. Step 2: Convert to fraction form
    35,959.71/53,939.84 = 11,000.21/x
  3. Step 3: Cross multiply
    35,959.71x = 53,939.84 × 11,000.21
  4. Step 4: Simplify right side
    35,959.71x = 593,349,242.67
  5. Step 5: Solve for x
    x = 593,349,242.67/35,959.71
  6. Step 6: Final answer
    x = 16,500.39

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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.