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Finding the Fourth Proportional to 35,959.62, 53,939.88 and 13,774.33

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Solution

The fourth proportional to 35,959.62, 53,939.88 and 13,774.33 is: 20,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.62 : 53,939.88 = 13,774.33 : x
  2. Step 2: Convert to fraction form
    35,959.62/53,939.88 = 13,774.33/x
  3. Step 3: Cross multiply
    35,959.62x = 53,939.88 × 13,774.33
  4. Step 4: Simplify right side
    35,959.62x = 742,985,572.43
  5. Step 5: Solve for x
    x = 742,985,572.43/35,959.62
  6. Step 6: Final answer
    x = 20,661.66

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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.