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Finding the Fourth Proportional to 14,015, 21,026.24 and 5,250.80

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Solution

The fourth proportional to 14,015, 21,026.24 and 5,250.80 is: 7,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015 : 21,026.24 = 5,250.80 : x
  2. Step 2: Convert to fraction form
    14,015/21,026.24 = 5,250.80/x
  3. Step 3: Cross multiply
    14,015x = 21,026.24 × 5,250.80
  4. Step 4: Simplify right side
    14,015x = 110,404,580.99
  5. Step 5: Solve for x
    x = 110,404,580.99/14,015
  6. Step 6: Final answer
    x = 7,877.60

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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.