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Finding the Fourth Proportional to 84,679.76, 116,857.16 and 46,953.68

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Solution

The fourth proportional to 84,679.76, 116,857.16 and 46,953.68 is: 64,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,679.76 : 116,857.16 = 46,953.68 : x
  2. Step 2: Convert to fraction form
    84,679.76/116,857.16 = 46,953.68/x
  3. Step 3: Cross multiply
    84,679.76x = 116,857.16 × 46,953.68
  4. Step 4: Simplify right side
    84,679.76x = 5,486,873,696.35
  5. Step 5: Solve for x
    x = 5,486,873,696.35/84,679.76
  6. Step 6: Final answer
    x = 64,795.57

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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.