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Finding the Fourth Proportional to 65,015.10, 97,522.65 and 47,519.10

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Solution

The fourth proportional to 65,015.10, 97,522.65 and 47,519.10 is: 71,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015.10 : 97,522.65 = 47,519.10 : x
  2. Step 2: Convert to fraction form
    65,015.10/97,522.65 = 47,519.10/x
  3. Step 3: Cross multiply
    65,015.10x = 97,522.65 × 47,519.10
  4. Step 4: Simplify right side
    65,015.10x = 4,634,188,557.62
  5. Step 5: Solve for x
    x = 4,634,188,557.62/65,015.10
  6. Step 6: Final answer
    x = 71,278.65

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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.