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Finding the Fourth Proportional to 76,525.56, 105,603.54 and 44,257.74

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Solution

The fourth proportional to 76,525.56, 105,603.54 and 44,257.74 is: 61,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,525.56 : 105,603.54 = 44,257.74 : x
  2. Step 2: Convert to fraction form
    76,525.56/105,603.54 = 44,257.74/x
  3. Step 3: Cross multiply
    76,525.56x = 105,603.54 × 44,257.74
  4. Step 4: Simplify right side
    76,525.56x = 4,673,774,016.40
  5. Step 5: Solve for x
    x = 4,673,774,016.40/76,525.56
  6. Step 6: Final answer
    x = 61,074.68

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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.