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Finding the Fourth Proportional to 66,887.39, 92,235.69 and 46,736.91

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Solution

The fourth proportional to 66,887.39, 92,235.69 and 46,736.91 is: 64,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.39 : 92,235.69 = 46,736.91 : x
  2. Step 2: Convert to fraction form
    66,887.39/92,235.69 = 46,736.91/x
  3. Step 3: Cross multiply
    66,887.39x = 92,235.69 × 46,736.91
  4. Step 4: Simplify right side
    66,887.39x = 4,310,811,142.32
  5. Step 5: Solve for x
    x = 4,310,811,142.32/66,887.39
  6. Step 6: Final answer
    x = 64,448.78

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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.