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Finding the Fourth Proportional to 84,350, 116,392.92 and 46,619.12

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Solution

The fourth proportional to 84,350, 116,392.92 and 46,619.12 is: 64,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,350 : 116,392.92 = 46,619.12 : x
  2. Step 2: Convert to fraction form
    84,350/116,392.92 = 46,619.12/x
  3. Step 3: Cross multiply
    84,350x = 116,392.92 × 46,619.12
  4. Step 4: Simplify right side
    84,350x = 5,426,135,504.63
  5. Step 5: Solve for x
    x = 5,426,135,504.63/84,350
  6. Step 6: Final answer
    x = 64,328.81

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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.