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Finding the Fourth Proportional to 7,680.60, 10,598.94 and 4,696.56

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Solution

The fourth proportional to 7,680.60, 10,598.94 and 4,696.56 is: 6,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.60 : 10,598.94 = 4,696.56 : x
  2. Step 2: Convert to fraction form
    7,680.60/10,598.94 = 4,696.56/x
  3. Step 3: Cross multiply
    7,680.60x = 10,598.94 × 4,696.56
  4. Step 4: Simplify right side
    7,680.60x = 49,778,557.65
  5. Step 5: Solve for x
    x = 49,778,557.65/7,680.60
  6. Step 6: Final answer
    x = 6,481.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.