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Finding the Fourth Proportional to 77,007.60, 115,554.60 and 32,626.80

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Solution

The fourth proportional to 77,007.60, 115,554.60 and 32,626.80 is: 48,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,007.60 : 115,554.60 = 32,626.80 : x
  2. Step 2: Convert to fraction form
    77,007.60/115,554.60 = 32,626.80/x
  3. Step 3: Cross multiply
    77,007.60x = 115,554.60 × 32,626.80
  4. Step 4: Simplify right side
    77,007.60x = 3,770,176,823.28
  5. Step 5: Solve for x
    x = 3,770,176,823.28/77,007.60
  6. Step 6: Final answer
    x = 48,958.50

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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.