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Finding the Fourth Proportional to 53,903.56, 80,870.94 and 22,307.79

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Solution

The fourth proportional to 53,903.56, 80,870.94 and 22,307.79 is: 33,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.56 : 80,870.94 = 22,307.79 : x
  2. Step 2: Convert to fraction form
    53,903.56/80,870.94 = 22,307.79/x
  3. Step 3: Cross multiply
    53,903.56x = 80,870.94 × 22,307.79
  4. Step 4: Simplify right side
    53,903.56x = 1,804,051,794.99
  5. Step 5: Solve for x
    x = 1,804,051,794.99/53,903.56
  6. Step 6: Final answer
    x = 33,468.14

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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.