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Finding the Fourth Proportional to 50,609.40, 75,914.10 and 46,807.80

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Solution

The fourth proportional to 50,609.40, 75,914.10 and 46,807.80 is: 70,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,609.40 : 75,914.10 = 46,807.80 : x
  2. Step 2: Convert to fraction form
    50,609.40/75,914.10 = 46,807.80/x
  3. Step 3: Cross multiply
    50,609.40x = 75,914.10 × 46,807.80
  4. Step 4: Simplify right side
    50,609.40x = 3,553,372,009.98
  5. Step 5: Solve for x
    x = 3,553,372,009.98/50,609.40
  6. Step 6: Final answer
    x = 70,211.70

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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.