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Finding the Fourth Proportional to 69,576.86, 96,009.72 and 39,364.94

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Solution

The fourth proportional to 69,576.86, 96,009.72 and 39,364.94 is: 54,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,576.86 : 96,009.72 = 39,364.94 : x
  2. Step 2: Convert to fraction form
    69,576.86/96,009.72 = 39,364.94/x
  3. Step 3: Cross multiply
    69,576.86x = 96,009.72 × 39,364.94
  4. Step 4: Simplify right side
    69,576.86x = 3,779,416,867.22
  5. Step 5: Solve for x
    x = 3,779,416,867.22/69,576.86
  6. Step 6: Final answer
    x = 54,320.03

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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.