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Finding the Fourth Proportional to 8,795.60, 13,195.98 and 4,902.80

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Solution

The fourth proportional to 8,795.60, 13,195.98 and 4,902.80 is: 7,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.60 : 13,195.98 = 4,902.80 : x
  2. Step 2: Convert to fraction form
    8,795.60/13,195.98 = 4,902.80/x
  3. Step 3: Cross multiply
    8,795.60x = 13,195.98 × 4,902.80
  4. Step 4: Simplify right side
    8,795.60x = 64,697,250.74
  5. Step 5: Solve for x
    x = 64,697,250.74/8,795.60
  6. Step 6: Final answer
    x = 7,355.64

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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.