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Finding the Fourth Proportional to 69,580.86, 96,015.24 and 39,368.94

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Solution

The fourth proportional to 69,580.86, 96,015.24 and 39,368.94 is: 54,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,580.86 : 96,015.24 = 39,368.94 : x
  2. Step 2: Convert to fraction form
    69,580.86/96,015.24 = 39,368.94/x
  3. Step 3: Cross multiply
    69,580.86x = 96,015.24 × 39,368.94
  4. Step 4: Simplify right side
    69,580.86x = 3,780,018,222.65
  5. Step 5: Solve for x
    x = 3,780,018,222.65/69,580.86
  6. Step 6: Final answer
    x = 54,325.55

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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.