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Finding the Fourth Proportional to 58,333, 80,499.54 and 31,837

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Solution

The fourth proportional to 58,333, 80,499.54 and 31,837 is: 43,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,333 : 80,499.54 = 31,837 : x
  2. Step 2: Convert to fraction form
    58,333/80,499.54 = 31,837/x
  3. Step 3: Cross multiply
    58,333x = 80,499.54 × 31,837
  4. Step 4: Simplify right side
    58,333x = 2,562,863,854.98
  5. Step 5: Solve for x
    x = 2,562,863,854.98/58,333
  6. Step 6: Final answer
    x = 43,935.06

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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.