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Finding the Fourth Proportional to 19,348.76, 26,702.88 and 10,850.72

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Solution

The fourth proportional to 19,348.76, 26,702.88 and 10,850.72 is: 14,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.76 : 26,702.88 = 10,850.72 : x
  2. Step 2: Convert to fraction form
    19,348.76/26,702.88 = 10,850.72/x
  3. Step 3: Cross multiply
    19,348.76x = 26,702.88 × 10,850.72
  4. Step 4: Simplify right side
    19,348.76x = 289,745,474.07
  5. Step 5: Solve for x
    x = 289,745,474.07/19,348.76
  6. Step 6: Final answer
    x = 14,974.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.