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Finding the Fourth Proportional to 48,007.60, 71,881.80 and 48,007.60

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Solution

The fourth proportional to 48,007.60, 71,881.80 and 48,007.60 is: 71,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.60 : 71,881.80 = 48,007.60 : x
  2. Step 2: Convert to fraction form
    48,007.60/71,881.80 = 48,007.60/x
  3. Step 3: Cross multiply
    48,007.60x = 71,881.80 × 48,007.60
  4. Step 4: Simplify right side
    48,007.60x = 3,450,872,701.68
  5. Step 5: Solve for x
    x = 3,450,872,701.68/48,007.60
  6. Step 6: Final answer
    x = 71,881.80

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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.