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Finding the Fourth Proportional to 71,327.03, 98,425.98 and 39,054.60

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Solution

The fourth proportional to 71,327.03, 98,425.98 and 39,054.60 is: 53,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.03 : 98,425.98 = 39,054.60 : x
  2. Step 2: Convert to fraction form
    71,327.03/98,425.98 = 39,054.60/x
  3. Step 3: Cross multiply
    71,327.03x = 98,425.98 × 39,054.60
  4. Step 4: Simplify right side
    71,327.03x = 3,843,987,278.51
  5. Step 5: Solve for x
    x = 3,843,987,278.51/71,327.03
  6. Step 6: Final answer
    x = 53,892.44

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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.