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Finding the Fourth Proportional to 69,597.09, 96,018.88 and 39,382.09

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Solution

The fourth proportional to 69,597.09, 96,018.88 and 39,382.09 is: 54,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,597.09 : 96,018.88 = 39,382.09 : x
  2. Step 2: Convert to fraction form
    69,597.09/96,018.88 = 39,382.09/x
  3. Step 3: Cross multiply
    69,597.09x = 96,018.88 × 39,382.09
  4. Step 4: Simplify right side
    69,597.09x = 3,781,424,173.86
  5. Step 5: Solve for x
    x = 3,781,424,173.86/69,597.09
  6. Step 6: Final answer
    x = 54,333.08

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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.