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Finding the Fourth Proportional to 82,796.15, 114,005.67 and 62,407.84

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Solution

The fourth proportional to 82,796.15, 114,005.67 and 62,407.84 is: 85,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,796.15 : 114,005.67 = 62,407.84 : x
  2. Step 2: Convert to fraction form
    82,796.15/114,005.67 = 62,407.84/x
  3. Step 3: Cross multiply
    82,796.15x = 114,005.67 × 62,407.84
  4. Step 4: Simplify right side
    82,796.15x = 7,114,847,612.45
  5. Step 5: Solve for x
    x = 7,114,847,612.45/82,796.15
  6. Step 6: Final answer
    x = 85,932.11

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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.