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Finding the Fourth Proportional to 14,990.40, 22,492.08 and 7,201.44

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Solution

The fourth proportional to 14,990.40, 22,492.08 and 7,201.44 is: 10,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.40 : 22,492.08 = 7,201.44 : x
  2. Step 2: Convert to fraction form
    14,990.40/22,492.08 = 7,201.44/x
  3. Step 3: Cross multiply
    14,990.40x = 22,492.08 × 7,201.44
  4. Step 4: Simplify right side
    14,990.40x = 161,975,364.60
  5. Step 5: Solve for x
    x = 161,975,364.60/14,990.40
  6. Step 6: Final answer
    x = 10,805.27

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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.