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Finding the Fourth Proportional to 14,762.52, 20,372.58 and 8,475.30

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Solution

The fourth proportional to 14,762.52, 20,372.58 and 8,475.30 is: 11,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.52 : 20,372.58 = 8,475.30 : x
  2. Step 2: Convert to fraction form
    14,762.52/20,372.58 = 8,475.30/x
  3. Step 3: Cross multiply
    14,762.52x = 20,372.58 × 8,475.30
  4. Step 4: Simplify right side
    14,762.52x = 172,663,727.27
  5. Step 5: Solve for x
    x = 172,663,727.27/14,762.52
  6. Step 6: Final answer
    x = 11,696.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.