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Finding the Fourth Proportional to 23,412.54, 35,123.52 and 8,621.54

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Solution

The fourth proportional to 23,412.54, 35,123.52 and 8,621.54 is: 12,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,412.54 : 35,123.52 = 8,621.54 : x
  2. Step 2: Convert to fraction form
    23,412.54/35,123.52 = 8,621.54/x
  3. Step 3: Cross multiply
    23,412.54x = 35,123.52 × 8,621.54
  4. Step 4: Simplify right side
    23,412.54x = 302,818,821.05
  5. Step 5: Solve for x
    x = 302,818,821.05/23,412.54
  6. Step 6: Final answer
    x = 12,934.04

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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.