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Finding the Fourth Proportional to 61,303.83, 91,956.05 and 18,609.63

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Solution

The fourth proportional to 61,303.83, 91,956.05 and 18,609.63 is: 27,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,303.83 : 91,956.05 = 18,609.63 : x
  2. Step 2: Convert to fraction form
    61,303.83/91,956.05 = 18,609.63/x
  3. Step 3: Cross multiply
    61,303.83x = 91,956.05 × 18,609.63
  4. Step 4: Simplify right side
    61,303.83x = 1,711,267,973.71
  5. Step 5: Solve for x
    x = 1,711,267,973.71/61,303.83
  6. Step 6: Final answer
    x = 27,914.54

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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.