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Finding the Fourth Proportional to 19,392.59, 29,087.25 and 7,702.67

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Solution

The fourth proportional to 19,392.59, 29,087.25 and 7,702.67 is: 11,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.59 : 29,087.25 = 7,702.67 : x
  2. Step 2: Convert to fraction form
    19,392.59/29,087.25 = 7,702.67/x
  3. Step 3: Cross multiply
    19,392.59x = 29,087.25 × 7,702.67
  4. Step 4: Simplify right side
    19,392.59x = 224,049,342.52
  5. Step 5: Solve for x
    x = 224,049,342.52/19,392.59
  6. Step 6: Final answer
    x = 11,553.35

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1.5x scale

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.