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Finding the Fourth Proportional to 66,903.77, 92,327.32 and 36,689.31

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Solution

The fourth proportional to 66,903.77, 92,327.32 and 36,689.31 is: 50,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,903.77 : 92,327.32 = 36,689.31 : x
  2. Step 2: Convert to fraction form
    66,903.77/92,327.32 = 36,689.31/x
  3. Step 3: Cross multiply
    66,903.77x = 92,327.32 × 36,689.31
  4. Step 4: Simplify right side
    66,903.77x = 3,387,425,203.31
  5. Step 5: Solve for x
    x = 3,387,425,203.31/66,903.77
  6. Step 6: Final answer
    x = 50,631.31

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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.