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Finding the Fourth Proportional to 84,612.76, 116,766.30 and 46,887.64

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Solution

The fourth proportional to 84,612.76, 116,766.30 and 46,887.64 is: 64,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,612.76 : 116,766.30 = 46,887.64 : x
  2. Step 2: Convert to fraction form
    84,612.76/116,766.30 = 46,887.64/x
  3. Step 3: Cross multiply
    84,612.76x = 116,766.30 × 46,887.64
  4. Step 4: Simplify right side
    84,612.76x = 5,474,896,238.53
  5. Step 5: Solve for x
    x = 5,474,896,238.53/84,612.76
  6. Step 6: Final answer
    x = 64,705.33

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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.