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Finding the Fourth Proportional to 66,680.76, 92,018.94 and 36,465.96

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Solution

The fourth proportional to 66,680.76, 92,018.94 and 36,465.96 is: 50,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,680.76 : 92,018.94 = 36,465.96 : x
  2. Step 2: Convert to fraction form
    66,680.76/92,018.94 = 36,465.96/x
  3. Step 3: Cross multiply
    66,680.76x = 92,018.94 × 36,465.96
  4. Step 4: Simplify right side
    66,680.76x = 3,355,558,985.28
  5. Step 5: Solve for x
    x = 3,355,558,985.28/66,680.76
  6. Step 6: Final answer
    x = 50,322.75

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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.