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Finding the Fourth Proportional to 82,995.57, 114,529.95 and 47,181.62

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Solution

The fourth proportional to 82,995.57, 114,529.95 and 47,181.62 is: 65,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,995.57 : 114,529.95 = 47,181.62 : x
  2. Step 2: Convert to fraction form
    82,995.57/114,529.95 = 47,181.62/x
  3. Step 3: Cross multiply
    82,995.57x = 114,529.95 × 47,181.62
  4. Step 4: Simplify right side
    82,995.57x = 5,403,708,865.84
  5. Step 5: Solve for x
    x = 5,403,708,865.84/82,995.57
  6. Step 6: Final answer
    x = 65,108.40

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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.