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Finding the Fourth Proportional to 66,995.59, 92,454.17 and 36,784.01

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Solution

The fourth proportional to 66,995.59, 92,454.17 and 36,784.01 is: 50,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,995.59 : 92,454.17 = 36,784.01 : x
  2. Step 2: Convert to fraction form
    66,995.59/92,454.17 = 36,784.01/x
  3. Step 3: Cross multiply
    66,995.59x = 92,454.17 × 36,784.01
  4. Step 4: Simplify right side
    66,995.59x = 3,400,835,113.82
  5. Step 5: Solve for x
    x = 3,400,835,113.82/66,995.59
  6. Step 6: Final answer
    x = 50,762.07

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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.