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Finding the Fourth Proportional to 7,696.54, 10,621.99 and 4,714.34

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Solution

The fourth proportional to 7,696.54, 10,621.99 and 4,714.34 is: 6,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.54 : 10,621.99 = 4,714.34 : x
  2. Step 2: Convert to fraction form
    7,696.54/10,621.99 = 4,714.34/x
  3. Step 3: Cross multiply
    7,696.54x = 10,621.99 × 4,714.34
  4. Step 4: Simplify right side
    7,696.54x = 50,075,672.34
  5. Step 5: Solve for x
    x = 50,075,672.34/7,696.54
  6. Step 6: Final answer
    x = 6,506.26

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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.