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Finding the Fourth Proportional to 66,850.92, 92,287.08 and 51,709.32

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Solution

The fourth proportional to 66,850.92, 92,287.08 and 51,709.32 is: 71,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.92 : 92,287.08 = 51,709.32 : x
  2. Step 2: Convert to fraction form
    66,850.92/92,287.08 = 51,709.32/x
  3. Step 3: Cross multiply
    66,850.92x = 92,287.08 × 51,709.32
  4. Step 4: Simplify right side
    66,850.92x = 4,772,102,151.59
  5. Step 5: Solve for x
    x = 4,772,102,151.59/66,850.92
  6. Step 6: Final answer
    x = 71,384.24

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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.