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Finding the Fourth Proportional to 66,858.54, 92,264.07 and 36,645.54

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Solution

The fourth proportional to 66,858.54, 92,264.07 and 36,645.54 is: 50,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,858.54 : 92,264.07 = 36,645.54 : x
  2. Step 2: Convert to fraction form
    66,858.54/92,264.07 = 36,645.54/x
  3. Step 3: Cross multiply
    66,858.54x = 92,264.07 × 36,645.54
  4. Step 4: Simplify right side
    66,858.54x = 3,381,066,667.75
  5. Step 5: Solve for x
    x = 3,381,066,667.75/66,858.54
  6. Step 6: Final answer
    x = 50,570.45

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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.