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Finding the Fourth Proportional to 55,291.50, 76,275.99 and 37,392.78

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Solution

The fourth proportional to 55,291.50, 76,275.99 and 37,392.78 is: 51,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,291.50 : 76,275.99 = 37,392.78 : x
  2. Step 2: Convert to fraction form
    55,291.50/76,275.99 = 37,392.78/x
  3. Step 3: Cross multiply
    55,291.50x = 76,275.99 × 37,392.78
  4. Step 4: Simplify right side
    55,291.50x = 2,852,171,313.35
  5. Step 5: Solve for x
    x = 2,852,171,313.35/55,291.50
  6. Step 6: Final answer
    x = 51,584.26

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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.