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Finding the Fourth Proportional to 45,230.50, 62,418.12 and 25,358.50

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Solution

The fourth proportional to 45,230.50, 62,418.12 and 25,358.50 is: 34,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,230.50 : 62,418.12 = 25,358.50 : x
  2. Step 2: Convert to fraction form
    45,230.50/62,418.12 = 25,358.50/x
  3. Step 3: Cross multiply
    45,230.50x = 62,418.12 × 25,358.50
  4. Step 4: Simplify right side
    45,230.50x = 1,582,829,896.02
  5. Step 5: Solve for x
    x = 1,582,829,896.02/45,230.50
  6. Step 6: Final answer
    x = 34,994.75

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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.