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Finding the Fourth Proportional to 7,953.22, 10,978.98 and 6,064.93

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Solution

The fourth proportional to 7,953.22, 10,978.98 and 6,064.93 is: 8,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.22 : 10,978.98 = 6,064.93 : x
  2. Step 2: Convert to fraction form
    7,953.22/10,978.98 = 6,064.93/x
  3. Step 3: Cross multiply
    7,953.22x = 10,978.98 × 6,064.93
  4. Step 4: Simplify right side
    7,953.22x = 66,586,745.17
  5. Step 5: Solve for x
    x = 66,586,745.17/7,953.22
  6. Step 6: Final answer
    x = 8,372.30

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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.