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Finding the Fourth Proportional to 84,899, 127,356.60 and 34,982.48

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Solution

The fourth proportional to 84,899, 127,356.60 and 34,982.48 is: 52,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899 : 127,356.60 = 34,982.48 : x
  2. Step 2: Convert to fraction form
    84,899/127,356.60 = 34,982.48/x
  3. Step 3: Cross multiply
    84,899x = 127,356.60 × 34,982.48
  4. Step 4: Simplify right side
    84,899x = 4,455,249,712.37
  5. Step 5: Solve for x
    x = 4,455,249,712.37/84,899
  6. Step 6: Final answer
    x = 52,477.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.