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Finding the Fourth Proportional to 65,070.81, 97,597.58 and 18,327.33

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Solution

The fourth proportional to 65,070.81, 97,597.58 and 18,327.33 is: 27,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,070.81 : 97,597.58 = 18,327.33 : x
  2. Step 2: Convert to fraction form
    65,070.81/97,597.58 = 18,327.33/x
  3. Step 3: Cross multiply
    65,070.81x = 97,597.58 × 18,327.33
  4. Step 4: Simplify right side
    65,070.81x = 1,788,702,964.22
  5. Step 5: Solve for x
    x = 1,788,702,964.22/65,070.81
  6. Step 6: Final answer
    x = 27,488.56

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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.