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Finding the Fourth Proportional to 19,055.52, 28,601.01 and 9,702.54

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Solution

The fourth proportional to 19,055.52, 28,601.01 and 9,702.54 is: 14,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.52 : 28,601.01 = 9,702.54 : x
  2. Step 2: Convert to fraction form
    19,055.52/28,601.01 = 9,702.54/x
  3. Step 3: Cross multiply
    19,055.52x = 28,601.01 × 9,702.54
  4. Step 4: Simplify right side
    19,055.52x = 277,502,443.57
  5. Step 5: Solve for x
    x = 277,502,443.57/19,055.52
  6. Step 6: Final answer
    x = 14,562.84

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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.