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Finding the Fourth Proportional to 35,972, 53,955.72 and 11,010.08

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Solution

The fourth proportional to 35,972, 53,955.72 and 11,010.08 is: 16,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972 : 53,955.72 = 11,010.08 : x
  2. Step 2: Convert to fraction form
    35,972/53,955.72 = 11,010.08/x
  3. Step 3: Cross multiply
    35,972x = 53,955.72 × 11,010.08
  4. Step 4: Simplify right side
    35,972x = 594,056,793.66
  5. Step 5: Solve for x
    x = 594,056,793.66/35,972
  6. Step 6: Final answer
    x = 16,514.42

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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.