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Finding the Fourth Proportional to 51,477.69, 71,047.73 and 35,331.74

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Solution

The fourth proportional to 51,477.69, 71,047.73 and 35,331.74 is: 48,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.69 : 71,047.73 = 35,331.74 : x
  2. Step 2: Convert to fraction form
    51,477.69/71,047.73 = 35,331.74/x
  3. Step 3: Cross multiply
    51,477.69x = 71,047.73 × 35,331.74
  4. Step 4: Simplify right side
    51,477.69x = 2,510,239,392.05
  5. Step 5: Solve for x
    x = 2,510,239,392.05/51,477.69
  6. Step 6: Final answer
    x = 48,763.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.