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Finding the Fourth Proportional to 7,672.53, 10,606.97 and 7,602.36

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Solution

The fourth proportional to 7,672.53, 10,606.97 and 7,602.36 is: 10,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.53 : 10,606.97 = 7,602.36 : x
  2. Step 2: Convert to fraction form
    7,672.53/10,606.97 = 7,602.36/x
  3. Step 3: Cross multiply
    7,672.53x = 10,606.97 × 7,602.36
  4. Step 4: Simplify right side
    7,672.53x = 80,637,966.44
  5. Step 5: Solve for x
    x = 80,637,966.44/7,672.53
  6. Step 6: Final answer
    x = 10,509.96

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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.