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Finding the Fourth Proportional to 53,379, 73,663.02 and 29,827

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Solution

The fourth proportional to 53,379, 73,663.02 and 29,827 is: 41,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379 : 73,663.02 = 29,827 : x
  2. Step 2: Convert to fraction form
    53,379/73,663.02 = 29,827/x
  3. Step 3: Cross multiply
    53,379x = 73,663.02 × 29,827
  4. Step 4: Simplify right side
    53,379x = 2,197,146,897.54
  5. Step 5: Solve for x
    x = 2,197,146,897.54/53,379
  6. Step 6: Final answer
    x = 41,161.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.