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Finding the Fourth Proportional to 14,050.88, 19,388.76 and 7,762.40

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Solution

The fourth proportional to 14,050.88, 19,388.76 and 7,762.40 is: 10,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.88 : 19,388.76 = 7,762.40 : x
  2. Step 2: Convert to fraction form
    14,050.88/19,388.76 = 7,762.40/x
  3. Step 3: Cross multiply
    14,050.88x = 19,388.76 × 7,762.40
  4. Step 4: Simplify right side
    14,050.88x = 150,503,310.62
  5. Step 5: Solve for x
    x = 150,503,310.62/14,050.88
  6. Step 6: Final answer
    x = 10,711.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.