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Finding the Fourth Proportional to 65,242.55, 97,863.82 and 15,994.55

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Solution

The fourth proportional to 65,242.55, 97,863.82 and 15,994.55 is: 23,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,242.55 : 97,863.82 = 15,994.55 : x
  2. Step 2: Convert to fraction form
    65,242.55/97,863.82 = 15,994.55/x
  3. Step 3: Cross multiply
    65,242.55x = 97,863.82 × 15,994.55
  4. Step 4: Simplify right side
    65,242.55x = 1,565,287,461.35
  5. Step 5: Solve for x
    x = 1,565,287,461.35/65,242.55
  6. Step 6: Final answer
    x = 23,991.82

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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.