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Finding the Fourth Proportional to 45,888.85, 68,852.76 and 17,828.74

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Solution

The fourth proportional to 45,888.85, 68,852.76 and 17,828.74 is: 26,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,888.85 : 68,852.76 = 17,828.74 : x
  2. Step 2: Convert to fraction form
    45,888.85/68,852.76 = 17,828.74/x
  3. Step 3: Cross multiply
    45,888.85x = 68,852.76 × 17,828.74
  4. Step 4: Simplify right side
    45,888.85x = 1,227,557,956.32
  5. Step 5: Solve for x
    x = 1,227,557,956.32/45,888.85
  6. Step 6: Final answer
    x = 26,750.68

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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.