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Finding the Fourth Proportional to 55,347.77, 83,045.99 and 29,046.40

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Solution

The fourth proportional to 55,347.77, 83,045.99 and 29,046.40 is: 43,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.77 : 83,045.99 = 29,046.40 : x
  2. Step 2: Convert to fraction form
    55,347.77/83,045.99 = 29,046.40/x
  3. Step 3: Cross multiply
    55,347.77x = 83,045.99 × 29,046.40
  4. Step 4: Simplify right side
    55,347.77x = 2,412,186,908.94
  5. Step 5: Solve for x
    x = 2,412,186,908.94/55,347.77
  6. Step 6: Final answer
    x = 43,582.37

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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.