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Finding the Fourth Proportional to 19,103.95, 28,657.20 and 5,063.77

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Solution

The fourth proportional to 19,103.95, 28,657.20 and 5,063.77 is: 7,595.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.95 : 28,657.20 = 5,063.77 : x
  2. Step 2: Convert to fraction form
    19,103.95/28,657.20 = 5,063.77/x
  3. Step 3: Cross multiply
    19,103.95x = 28,657.20 × 5,063.77
  4. Step 4: Simplify right side
    19,103.95x = 145,113,326.36
  5. Step 5: Solve for x
    x = 145,113,326.36/19,103.95
  6. Step 6: Final answer
    x = 7,595.99

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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.