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Finding the Fourth Proportional to 14,483.17, 21,722.94 and 4,621.63

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Solution

The fourth proportional to 14,483.17, 21,722.94 and 4,621.63 is: 6,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.17 : 21,722.94 = 4,621.63 : x
  2. Step 2: Convert to fraction form
    14,483.17/21,722.94 = 4,621.63/x
  3. Step 3: Cross multiply
    14,483.17x = 21,722.94 × 4,621.63
  4. Step 4: Simplify right side
    14,483.17x = 100,395,391.19
  5. Step 5: Solve for x
    x = 100,395,391.19/14,483.17
  6. Step 6: Final answer
    x = 6,931.87

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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.