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Finding the Fourth Proportional to 54,159.84, 74,733.84 and 30,282.66

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Solution

The fourth proportional to 54,159.84, 74,733.84 and 30,282.66 is: 41,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.84 : 74,733.84 = 30,282.66 : x
  2. Step 2: Convert to fraction form
    54,159.84/74,733.84 = 30,282.66/x
  3. Step 3: Cross multiply
    54,159.84x = 74,733.84 × 30,282.66
  4. Step 4: Simplify right side
    54,159.84x = 2,263,139,467.21
  5. Step 5: Solve for x
    x = 2,263,139,467.21/54,159.84
  6. Step 6: Final answer
    x = 41,786.30

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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.