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Finding the Fourth Proportional to 66,671.67, 92,007.89 and 45,167.99

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Solution

The fourth proportional to 66,671.67, 92,007.89 and 45,167.99 is: 62,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,671.67 : 92,007.89 = 45,167.99 : x
  2. Step 2: Convert to fraction form
    66,671.67/92,007.89 = 45,167.99/x
  3. Step 3: Cross multiply
    66,671.67x = 92,007.89 × 45,167.99
  4. Step 4: Simplify right side
    66,671.67x = 4,155,811,455.44
  5. Step 5: Solve for x
    x = 4,155,811,455.44/66,671.67
  6. Step 6: Final answer
    x = 62,332.49

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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.