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Finding the Fourth Proportional to 9,276, 13,916.28 and 2,702.24

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Solution

The fourth proportional to 9,276, 13,916.28 and 2,702.24 is: 4,054.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276 : 13,916.28 = 2,702.24 : x
  2. Step 2: Convert to fraction form
    9,276/13,916.28 = 2,702.24/x
  3. Step 3: Cross multiply
    9,276x = 13,916.28 × 2,702.24
  4. Step 4: Simplify right side
    9,276x = 37,605,128.47
  5. Step 5: Solve for x
    x = 37,605,128.47/9,276
  6. Step 6: Final answer
    x = 4,054.02

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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.