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Finding the Fourth Proportional to 82,690.80, 114,103.80 and 46,873.68

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Solution

The fourth proportional to 82,690.80, 114,103.80 and 46,873.68 is: 64,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,690.80 : 114,103.80 = 46,873.68 : x
  2. Step 2: Convert to fraction form
    82,690.80/114,103.80 = 46,873.68/x
  3. Step 3: Cross multiply
    82,690.80x = 114,103.80 × 46,873.68
  4. Step 4: Simplify right side
    82,690.80x = 5,348,465,007.98
  5. Step 5: Solve for x
    x = 5,348,465,007.98/82,690.80
  6. Step 6: Final answer
    x = 64,680.29

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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.