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Finding the Fourth Proportional to 66,733.42, 92,091.32 and 36,518.64

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Solution

The fourth proportional to 66,733.42, 92,091.32 and 36,518.64 is: 50,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733.42 : 92,091.32 = 36,518.64 : x
  2. Step 2: Convert to fraction form
    66,733.42/92,091.32 = 36,518.64/x
  3. Step 3: Cross multiply
    66,733.42x = 92,091.32 × 36,518.64
  4. Step 4: Simplify right side
    66,733.42x = 3,363,049,762.20
  5. Step 5: Solve for x
    x = 3,363,049,762.20/66,733.42
  6. Step 6: Final answer
    x = 50,395.29

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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.