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Finding the Fourth Proportional to 55,888.75, 83,833.34 and 53,085.75

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Solution

The fourth proportional to 55,888.75, 83,833.34 and 53,085.75 is: 79,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888.75 : 83,833.34 = 53,085.75 : x
  2. Step 2: Convert to fraction form
    55,888.75/83,833.34 = 53,085.75/x
  3. Step 3: Cross multiply
    55,888.75x = 83,833.34 × 53,085.75
  4. Step 4: Simplify right side
    55,888.75x = 4,450,355,728.91
  5. Step 5: Solve for x
    x = 4,450,355,728.91/55,888.75
  6. Step 6: Final answer
    x = 79,628.83

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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.