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Finding the Fourth Proportional to 65,241.90, 97,862.85 and 18,495.18

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Solution

The fourth proportional to 65,241.90, 97,862.85 and 18,495.18 is: 27,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241.90 : 97,862.85 = 18,495.18 : x
  2. Step 2: Convert to fraction form
    65,241.90/97,862.85 = 18,495.18/x
  3. Step 3: Cross multiply
    65,241.90x = 97,862.85 × 18,495.18
  4. Step 4: Simplify right side
    65,241.90x = 1,809,991,026.06
  5. Step 5: Solve for x
    x = 1,809,991,026.06/65,241.90
  6. Step 6: Final answer
    x = 27,742.77

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Similar ratio
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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.