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Finding the Fourth Proportional to 14,348.68, 21,508.98 and 7,325.44

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Solution

The fourth proportional to 14,348.68, 21,508.98 and 7,325.44 is: 10,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.68 : 21,508.98 = 7,325.44 : x
  2. Step 2: Convert to fraction form
    14,348.68/21,508.98 = 7,325.44/x
  3. Step 3: Cross multiply
    14,348.68x = 21,508.98 × 7,325.44
  4. Step 4: Simplify right side
    14,348.68x = 157,562,742.45
  5. Step 5: Solve for x
    x = 157,562,742.45/14,348.68
  6. Step 6: Final answer
    x = 10,980.99

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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.