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Finding the Fourth Proportional to 84,520, 116,637.60 and 46,796.68

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Solution

The fourth proportional to 84,520, 116,637.60 and 46,796.68 is: 64,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,520 : 116,637.60 = 46,796.68 : x
  2. Step 2: Convert to fraction form
    84,520/116,637.60 = 46,796.68/x
  3. Step 3: Cross multiply
    84,520x = 116,637.60 × 46,796.68
  4. Step 4: Simplify right side
    84,520x = 5,458,252,443.17
  5. Step 5: Solve for x
    x = 5,458,252,443.17/84,520
  6. Step 6: Final answer
    x = 64,579.42

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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.