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Finding the Fourth Proportional to 66,996.47, 92,455.29 and 36,783.74

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Solution

The fourth proportional to 66,996.47, 92,455.29 and 36,783.74 is: 50,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,996.47 : 92,455.29 = 36,783.74 : x
  2. Step 2: Convert to fraction form
    66,996.47/92,455.29 = 36,783.74/x
  3. Step 3: Cross multiply
    66,996.47x = 92,455.29 × 36,783.74
  4. Step 4: Simplify right side
    66,996.47x = 3,400,851,233.42
  5. Step 5: Solve for x
    x = 3,400,851,233.42/66,996.47
  6. Step 6: Final answer
    x = 50,761.65

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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.