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Finding the Fourth Proportional to 55,857.42, 77,148.99 and 36,961.74

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Solution

The fourth proportional to 55,857.42, 77,148.99 and 36,961.74 is: 51,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,857.42 : 77,148.99 = 36,961.74 : x
  2. Step 2: Convert to fraction form
    55,857.42/77,148.99 = 36,961.74/x
  3. Step 3: Cross multiply
    55,857.42x = 77,148.99 × 36,961.74
  4. Step 4: Simplify right side
    55,857.42x = 2,851,560,909.64
  5. Step 5: Solve for x
    x = 2,851,560,909.64/55,857.42
  6. Step 6: Final answer
    x = 51,050.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.