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Finding the Fourth Proportional to 9,926.63, 14,889.95 and 4,454.63

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Solution

The fourth proportional to 9,926.63, 14,889.95 and 4,454.63 is: 6,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926.63 : 14,889.95 = 4,454.63 : x
  2. Step 2: Convert to fraction form
    9,926.63/14,889.95 = 4,454.63/x
  3. Step 3: Cross multiply
    9,926.63x = 14,889.95 × 4,454.63
  4. Step 4: Simplify right side
    9,926.63x = 66,329,121.25
  5. Step 5: Solve for x
    x = 66,329,121.25/9,926.63
  6. Step 6: Final answer
    x = 6,681.94

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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.