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Finding the Fourth Proportional to 47,230.40, 70,903.20 and 46,884.80

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Solution

The fourth proportional to 47,230.40, 70,903.20 and 46,884.80 is: 70,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230.40 : 70,903.20 = 46,884.80 : x
  2. Step 2: Convert to fraction form
    47,230.40/70,903.20 = 46,884.80/x
  3. Step 3: Cross multiply
    47,230.40x = 70,903.20 × 46,884.80
  4. Step 4: Simplify right side
    47,230.40x = 3,324,282,351.36
  5. Step 5: Solve for x
    x = 3,324,282,351.36/47,230.40
  6. Step 6: Final answer
    x = 70,384.38

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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.