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Finding the Fourth Proportional to 23,897.80, 35,773.80 and 21,273.40

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Solution

The fourth proportional to 23,897.80, 35,773.80 and 21,273.40 is: 31,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,897.80 : 35,773.80 = 21,273.40 : x
  2. Step 2: Convert to fraction form
    23,897.80/35,773.80 = 21,273.40/x
  3. Step 3: Cross multiply
    23,897.80x = 35,773.80 × 21,273.40
  4. Step 4: Simplify right side
    23,897.80x = 761,030,356.92
  5. Step 5: Solve for x
    x = 761,030,356.92/23,897.80
  6. Step 6: Final answer
    x = 31,845.21

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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.