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Finding the Fourth Proportional to 14,000.98, 19,321.71 and 7,627.79

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Solution

The fourth proportional to 14,000.98, 19,321.71 and 7,627.79 is: 10,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.98 : 19,321.71 = 7,627.79 : x
  2. Step 2: Convert to fraction form
    14,000.98/19,321.71 = 7,627.79/x
  3. Step 3: Cross multiply
    14,000.98x = 19,321.71 × 7,627.79
  4. Step 4: Simplify right side
    14,000.98x = 147,381,946.32
  5. Step 5: Solve for x
    x = 147,381,946.32/14,000.98
  6. Step 6: Final answer
    x = 10,526.55

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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.