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Finding the Fourth Proportional to 71,017.26, 97,962.49 and 45,514.56

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Solution

The fourth proportional to 71,017.26, 97,962.49 and 45,514.56 is: 62,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017.26 : 97,962.49 = 45,514.56 : x
  2. Step 2: Convert to fraction form
    71,017.26/97,962.49 = 45,514.56/x
  3. Step 3: Cross multiply
    71,017.26x = 97,962.49 × 45,514.56
  4. Step 4: Simplify right side
    71,017.26x = 4,458,719,374.06
  5. Step 5: Solve for x
    x = 4,458,719,374.06/71,017.26
  6. Step 6: Final answer
    x = 62,783.61

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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.