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Finding the Fourth Proportional to 30,800.59, 46,164.67 and 13,913.89

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Solution

The fourth proportional to 30,800.59, 46,164.67 and 13,913.89 is: 20,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.59 : 46,164.67 = 13,913.89 : x
  2. Step 2: Convert to fraction form
    30,800.59/46,164.67 = 13,913.89/x
  3. Step 3: Cross multiply
    30,800.59x = 46,164.67 × 13,913.89
  4. Step 4: Simplify right side
    30,800.59x = 642,330,140.27
  5. Step 5: Solve for x
    x = 642,330,140.27/30,800.59
  6. Step 6: Final answer
    x = 20,854.48

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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.