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Finding the Fourth Proportional to 48,000.45, 67,269.75 and 48,000.45

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Solution

The fourth proportional to 48,000.45, 67,269.75 and 48,000.45 is: 67,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.45 : 67,269.75 = 48,000.45 : x
  2. Step 2: Convert to fraction form
    48,000.45/67,269.75 = 48,000.45/x
  3. Step 3: Cross multiply
    48,000.45x = 67,269.75 × 48,000.45
  4. Step 4: Simplify right side
    48,000.45x = 3,228,978,271.39
  5. Step 5: Solve for x
    x = 3,228,978,271.39/48,000.45
  6. Step 6: Final answer
    x = 67,269.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.