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Finding the Fourth Proportional to 66,970.56, 92,324.86 and 47,845.24

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Solution

The fourth proportional to 66,970.56, 92,324.86 and 47,845.24 is: 65,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,970.56 : 92,324.86 = 47,845.24 : x
  2. Step 2: Convert to fraction form
    66,970.56/92,324.86 = 47,845.24/x
  3. Step 3: Cross multiply
    66,970.56x = 92,324.86 × 47,845.24
  4. Step 4: Simplify right side
    66,970.56x = 4,417,305,084.67
  5. Step 5: Solve for x
    x = 4,417,305,084.67/66,970.56
  6. Step 6: Final answer
    x = 65,958.91

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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.