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Finding the Fourth Proportional to 42,242.64, 63,311.26 and 36,965.10

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Solution

The fourth proportional to 42,242.64, 63,311.26 and 36,965.10 is: 55,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,242.64 : 63,311.26 = 36,965.10 : x
  2. Step 2: Convert to fraction form
    42,242.64/63,311.26 = 36,965.10/x
  3. Step 3: Cross multiply
    42,242.64x = 63,311.26 × 36,965.10
  4. Step 4: Simplify right side
    42,242.64x = 2,340,307,057.03
  5. Step 5: Solve for x
    x = 2,340,307,057.03/42,242.64
  6. Step 6: Final answer
    x = 55,401.53

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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.