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Finding the Fourth Proportional to 46,389.85, 69,476.47 and 33,878.86

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Solution

The fourth proportional to 46,389.85, 69,476.47 and 33,878.86 is: 50,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,389.85 : 69,476.47 = 33,878.86 : x
  2. Step 2: Convert to fraction form
    46,389.85/69,476.47 = 33,878.86/x
  3. Step 3: Cross multiply
    46,389.85x = 69,476.47 × 33,878.86
  4. Step 4: Simplify right side
    46,389.85x = 2,353,783,342.04
  5. Step 5: Solve for x
    x = 2,353,783,342.04/46,389.85
  6. Step 6: Final answer
    x = 50,739.19

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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.