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Finding the Fourth Proportional to 83,812.98, 115,662.75 and 46,087.50

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Solution

The fourth proportional to 83,812.98, 115,662.75 and 46,087.50 is: 63,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.98 : 115,662.75 = 46,087.50 : x
  2. Step 2: Convert to fraction form
    83,812.98/115,662.75 = 46,087.50/x
  3. Step 3: Cross multiply
    83,812.98x = 115,662.75 × 46,087.50
  4. Step 4: Simplify right side
    83,812.98x = 5,330,606,990.63
  5. Step 5: Solve for x
    x = 5,330,606,990.63/83,812.98
  6. Step 6: Final answer
    x = 63,601.21

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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.