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Finding the Fourth Proportional to 48,276.45, 72,414.68 and 48,276.45

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Solution

The fourth proportional to 48,276.45, 72,414.68 and 48,276.45 is: 72,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.45 : 72,414.68 = 48,276.45 : x
  2. Step 2: Convert to fraction form
    48,276.45/72,414.68 = 48,276.45/x
  3. Step 3: Cross multiply
    48,276.45x = 72,414.68 × 48,276.45
  4. Step 4: Simplify right side
    48,276.45x = 3,495,923,436.90
  5. Step 5: Solve for x
    x = 3,495,923,436.90/48,276.45
  6. Step 6: Final answer
    x = 72,414.68

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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.