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Finding the Fourth Proportional to 30,737.79, 46,106.42 and 9,961.29

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Solution

The fourth proportional to 30,737.79, 46,106.42 and 9,961.29 is: 14,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.79 : 46,106.42 = 9,961.29 : x
  2. Step 2: Convert to fraction form
    30,737.79/46,106.42 = 9,961.29/x
  3. Step 3: Cross multiply
    30,737.79x = 46,106.42 × 9,961.29
  4. Step 4: Simplify right side
    30,737.79x = 459,279,370.68
  5. Step 5: Solve for x
    x = 459,279,370.68/30,737.79
  6. Step 6: Final answer
    x = 14,941.85

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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.