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Finding the Fourth Proportional to 48,467.60, 67,716.40 and 48,467.60

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Solution

The fourth proportional to 48,467.60, 67,716.40 and 48,467.60 is: 67,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,467.60 : 67,716.40 = 48,467.60 : x
  2. Step 2: Convert to fraction form
    48,467.60/67,716.40 = 48,467.60/x
  3. Step 3: Cross multiply
    48,467.60x = 67,716.40 × 48,467.60
  4. Step 4: Simplify right side
    48,467.60x = 3,282,051,388.64
  5. Step 5: Solve for x
    x = 3,282,051,388.64/48,467.60
  6. Step 6: Final answer
    x = 67,716.40

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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.