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Finding the Fourth Proportional to 30,702.20, 46,020.90 and 17,526.20

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Solution

The fourth proportional to 30,702.20, 46,020.90 and 17,526.20 is: 26,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.20 : 46,020.90 = 17,526.20 : x
  2. Step 2: Convert to fraction form
    30,702.20/46,020.90 = 17,526.20/x
  3. Step 3: Cross multiply
    30,702.20x = 46,020.90 × 17,526.20
  4. Step 4: Simplify right side
    30,702.20x = 806,571,497.58
  5. Step 5: Solve for x
    x = 806,571,497.58/30,702.20
  6. Step 6: Final answer
    x = 26,270.80

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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.