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Finding the Fourth Proportional to 84,983, 127,489.68 and 35,035.32

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Solution

The fourth proportional to 84,983, 127,489.68 and 35,035.32 is: 52,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,983 : 127,489.68 = 35,035.32 : x
  2. Step 2: Convert to fraction form
    84,983/127,489.68 = 35,035.32/x
  3. Step 3: Cross multiply
    84,983x = 127,489.68 × 35,035.32
  4. Step 4: Simplify right side
    84,983x = 4,466,641,735.50
  5. Step 5: Solve for x
    x = 4,466,641,735.50/84,983
  6. Step 6: Final answer
    x = 52,559.24

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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.