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Finding the Fourth Proportional to 30,702.60, 46,073.28 and 17,580.60

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Solution

The fourth proportional to 30,702.60, 46,073.28 and 17,580.60 is: 26,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.60 : 46,073.28 = 17,580.60 : x
  2. Step 2: Convert to fraction form
    30,702.60/46,073.28 = 17,580.60/x
  3. Step 3: Cross multiply
    30,702.60x = 46,073.28 × 17,580.60
  4. Step 4: Simplify right side
    30,702.60x = 809,995,906.37
  5. Step 5: Solve for x
    x = 809,995,906.37/30,702.60
  6. Step 6: Final answer
    x = 26,382.00

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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.