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Finding the Fourth Proportional to 56,641.61, 84,956.91 and 17,199.07

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Solution

The fourth proportional to 56,641.61, 84,956.91 and 17,199.07 is: 25,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,641.61 : 84,956.91 = 17,199.07 : x
  2. Step 2: Convert to fraction form
    56,641.61/84,956.91 = 17,199.07/x
  3. Step 3: Cross multiply
    56,641.61x = 84,956.91 × 17,199.07
  4. Step 4: Simplify right side
    56,641.61x = 1,461,179,842.07
  5. Step 5: Solve for x
    x = 1,461,179,842.07/56,641.61
  6. Step 6: Final answer
    x = 25,796.93

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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.