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Finding the Fourth Proportional to 76,745.96, 105,938.34 and 44,925.16

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Solution

The fourth proportional to 76,745.96, 105,938.34 and 44,925.16 is: 62,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,745.96 : 105,938.34 = 44,925.16 : x
  2. Step 2: Convert to fraction form
    76,745.96/105,938.34 = 44,925.16/x
  3. Step 3: Cross multiply
    76,745.96x = 105,938.34 × 44,925.16
  4. Step 4: Simplify right side
    76,745.96x = 4,759,296,874.63
  5. Step 5: Solve for x
    x = 4,759,296,874.63/76,745.96
  6. Step 6: Final answer
    x = 62,013.65

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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.