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Finding the Fourth Proportional to 15,114.45, 22,674.02 and 7,714.90

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Solution

The fourth proportional to 15,114.45, 22,674.02 and 7,714.90 is: 11,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.45 : 22,674.02 = 7,714.90 : x
  2. Step 2: Convert to fraction form
    15,114.45/22,674.02 = 7,714.90/x
  3. Step 3: Cross multiply
    15,114.45x = 22,674.02 × 7,714.90
  4. Step 4: Simplify right side
    15,114.45x = 174,927,796.90
  5. Step 5: Solve for x
    x = 174,927,796.90/15,114.45
  6. Step 6: Final answer
    x = 11,573.55

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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.