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Finding the Fourth Proportional to 71,458.98, 98,606.28 and 41,254.05

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Solution

The fourth proportional to 71,458.98, 98,606.28 and 41,254.05 is: 56,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,458.98 : 98,606.28 = 41,254.05 : x
  2. Step 2: Convert to fraction form
    71,458.98/98,606.28 = 41,254.05/x
  3. Step 3: Cross multiply
    71,458.98x = 98,606.28 × 41,254.05
  4. Step 4: Simplify right side
    71,458.98x = 4,067,908,405.43
  5. Step 5: Solve for x
    x = 4,067,908,405.43/71,458.98
  6. Step 6: Final answer
    x = 56,926.48

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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.