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Finding the Fourth Proportional to 14,649.55, 21,975.35 and 7,252.02

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Solution

The fourth proportional to 14,649.55, 21,975.35 and 7,252.02 is: 10,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.55 : 21,975.35 = 7,252.02 : x
  2. Step 2: Convert to fraction form
    14,649.55/21,975.35 = 7,252.02/x
  3. Step 3: Cross multiply
    14,649.55x = 21,975.35 × 7,252.02
  4. Step 4: Simplify right side
    14,649.55x = 159,365,744.05
  5. Step 5: Solve for x
    x = 159,365,744.05/14,649.55
  6. Step 6: Final answer
    x = 10,878.54

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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.