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Finding the Fourth Proportional to 46,760.54, 70,140.83 and 11,700.20

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Solution

The fourth proportional to 46,760.54, 70,140.83 and 11,700.20 is: 17,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,760.54 : 70,140.83 = 11,700.20 : x
  2. Step 2: Convert to fraction form
    46,760.54/70,140.83 = 11,700.20/x
  3. Step 3: Cross multiply
    46,760.54x = 70,140.83 × 11,700.20
  4. Step 4: Simplify right side
    46,760.54x = 820,661,329.96
  5. Step 5: Solve for x
    x = 820,661,329.96/46,760.54
  6. Step 6: Final answer
    x = 17,550.30

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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.