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Finding the Fourth Proportional to 84,712.88, 116,899.91 and 46,471.61

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Solution

The fourth proportional to 84,712.88, 116,899.91 and 46,471.61 is: 64,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,712.88 : 116,899.91 = 46,471.61 : x
  2. Step 2: Convert to fraction form
    84,712.88/116,899.91 = 46,471.61/x
  3. Step 3: Cross multiply
    84,712.88x = 116,899.91 × 46,471.61
  4. Step 4: Simplify right side
    84,712.88x = 5,432,527,100.82
  5. Step 5: Solve for x
    x = 5,432,527,100.82/84,712.88
  6. Step 6: Final answer
    x = 64,128.70

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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.