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Finding the Fourth Proportional to 58,946.86, 81,322.63 and 36,279.01

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Solution

The fourth proportional to 58,946.86, 81,322.63 and 36,279.01 is: 50,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,946.86 : 81,322.63 = 36,279.01 : x
  2. Step 2: Convert to fraction form
    58,946.86/81,322.63 = 36,279.01/x
  3. Step 3: Cross multiply
    58,946.86x = 81,322.63 × 36,279.01
  4. Step 4: Simplify right side
    58,946.86x = 2,950,304,212.99
  5. Step 5: Solve for x
    x = 2,950,304,212.99/58,946.86
  6. Step 6: Final answer
    x = 50,050.24

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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.