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Finding the Fourth Proportional to 17,801.80, 26,702.70 and 14,907.40

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Solution

The fourth proportional to 17,801.80, 26,702.70 and 14,907.40 is: 22,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.80 : 26,702.70 = 14,907.40 : x
  2. Step 2: Convert to fraction form
    17,801.80/26,702.70 = 14,907.40/x
  3. Step 3: Cross multiply
    17,801.80x = 26,702.70 × 14,907.40
  4. Step 4: Simplify right side
    17,801.80x = 398,067,829.98
  5. Step 5: Solve for x
    x = 398,067,829.98/17,801.80
  6. Step 6: Final answer
    x = 22,361.10

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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.