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Finding the Fourth Proportional to 58,364.10, 80,867.71 and 57,102.93

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Solution

The fourth proportional to 58,364.10, 80,867.71 and 57,102.93 is: 79,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,364.10 : 80,867.71 = 57,102.93 : x
  2. Step 2: Convert to fraction form
    58,364.10/80,867.71 = 57,102.93/x
  3. Step 3: Cross multiply
    58,364.10x = 80,867.71 × 57,102.93
  4. Step 4: Simplify right side
    58,364.10x = 4,617,783,183.39
  5. Step 5: Solve for x
    x = 4,617,783,183.39/58,364.10
  6. Step 6: Final answer
    x = 79,120.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.