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Finding the Fourth Proportional to 84,017.50, 115,944.16 and 46,292.56

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Solution

The fourth proportional to 84,017.50, 115,944.16 and 46,292.56 is: 63,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017.50 : 115,944.16 = 46,292.56 : x
  2. Step 2: Convert to fraction form
    84,017.50/115,944.16 = 46,292.56/x
  3. Step 3: Cross multiply
    84,017.50x = 115,944.16 × 46,292.56
  4. Step 4: Simplify right side
    84,017.50x = 5,367,351,983.45
  5. Step 5: Solve for x
    x = 5,367,351,983.45/84,017.50
  6. Step 6: Final answer
    x = 63,883.74

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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.