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Finding the Fourth Proportional to 54,713.58, 82,070.37 and 13,160.58

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Solution

The fourth proportional to 54,713.58, 82,070.37 and 13,160.58 is: 19,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,713.58 : 82,070.37 = 13,160.58 : x
  2. Step 2: Convert to fraction form
    54,713.58/82,070.37 = 13,160.58/x
  3. Step 3: Cross multiply
    54,713.58x = 82,070.37 × 13,160.58
  4. Step 4: Simplify right side
    54,713.58x = 1,080,093,670.01
  5. Step 5: Solve for x
    x = 1,080,093,670.01/54,713.58
  6. Step 6: Final answer
    x = 19,740.87

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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.