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Finding the Fourth Proportional to 65,054.48, 97,595.28 and 36,987.44

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Solution

The fourth proportional to 65,054.48, 97,595.28 and 36,987.44 is: 55,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,054.48 : 97,595.28 = 36,987.44 : x
  2. Step 2: Convert to fraction form
    65,054.48/97,595.28 = 36,987.44/x
  3. Step 3: Cross multiply
    65,054.48x = 97,595.28 × 36,987.44
  4. Step 4: Simplify right side
    65,054.48x = 3,609,799,563.28
  5. Step 5: Solve for x
    x = 3,609,799,563.28/65,054.48
  6. Step 6: Final answer
    x = 55,488.87

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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.