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Finding the Fourth Proportional to 19,162.08, 28,706.95 and 9,808.02

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Solution

The fourth proportional to 19,162.08, 28,706.95 and 9,808.02 is: 14,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.08 : 28,706.95 = 9,808.02 : x
  2. Step 2: Convert to fraction form
    19,162.08/28,706.95 = 9,808.02/x
  3. Step 3: Cross multiply
    19,162.08x = 28,706.95 × 9,808.02
  4. Step 4: Simplify right side
    19,162.08x = 281,558,352.00
  5. Step 5: Solve for x
    x = 281,558,352.00/19,162.08
  6. Step 6: Final answer
    x = 14,693.52

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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.