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Finding the Fourth Proportional to 66,477.88, 91,733.10 and 36,667.96

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Solution

The fourth proportional to 66,477.88, 91,733.10 and 36,667.96 is: 50,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,477.88 : 91,733.10 = 36,667.96 : x
  2. Step 2: Convert to fraction form
    66,477.88/91,733.10 = 36,667.96/x
  3. Step 3: Cross multiply
    66,477.88x = 91,733.10 × 36,667.96
  4. Step 4: Simplify right side
    66,477.88x = 3,363,665,641.48
  5. Step 5: Solve for x
    x = 3,363,665,641.48/66,477.88
  6. Step 6: Final answer
    x = 50,598.27

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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.