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Finding the Fourth Proportional to 66,228.67, 91,396.65 and 36,014.59

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Solution

The fourth proportional to 66,228.67, 91,396.65 and 36,014.59 is: 49,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228.67 : 91,396.65 = 36,014.59 : x
  2. Step 2: Convert to fraction form
    66,228.67/91,396.65 = 36,014.59/x
  3. Step 3: Cross multiply
    66,228.67x = 91,396.65 × 36,014.59
  4. Step 4: Simplify right side
    66,228.67x = 3,291,612,877.12
  5. Step 5: Solve for x
    x = 3,291,612,877.12/66,228.67
  6. Step 6: Final answer
    x = 49,700.72

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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.