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Finding the Fourth Proportional to 19,060.54, 28,595.67 and 7,374.58

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Solution

The fourth proportional to 19,060.54, 28,595.67 and 7,374.58 is: 11,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.54 : 28,595.67 = 7,374.58 : x
  2. Step 2: Convert to fraction form
    19,060.54/28,595.67 = 7,374.58/x
  3. Step 3: Cross multiply
    19,060.54x = 28,595.67 × 7,374.58
  4. Step 4: Simplify right side
    19,060.54x = 210,881,056.07
  5. Step 5: Solve for x
    x = 210,881,056.07/19,060.54
  6. Step 6: Final answer
    x = 11,063.75

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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.