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Finding the Fourth Proportional to 7,953.16, 10,985.69 and 6,053.21

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Solution

The fourth proportional to 7,953.16, 10,985.69 and 6,053.21 is: 8,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.16 : 10,985.69 = 6,053.21 : x
  2. Step 2: Convert to fraction form
    7,953.16/10,985.69 = 6,053.21/x
  3. Step 3: Cross multiply
    7,953.16x = 10,985.69 × 6,053.21
  4. Step 4: Simplify right side
    7,953.16x = 66,498,688.56
  5. Step 5: Solve for x
    x = 66,498,688.56/7,953.16
  6. Step 6: Final answer
    x = 8,361.29

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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.