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Finding the Fourth Proportional to 65,058.68, 97,588.05 and 18,311.55

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Solution

The fourth proportional to 65,058.68, 97,588.05 and 18,311.55 is: 27,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,058.68 : 97,588.05 = 18,311.55 : x
  2. Step 2: Convert to fraction form
    65,058.68/97,588.05 = 18,311.55/x
  3. Step 3: Cross multiply
    65,058.68x = 97,588.05 × 18,311.55
  4. Step 4: Simplify right side
    65,058.68x = 1,786,988,365.42
  5. Step 5: Solve for x
    x = 1,786,988,365.42/65,058.68
  6. Step 6: Final answer
    x = 27,467.33

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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.