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Finding the Fourth Proportional to 69,486.32, 95,890.88 and 37,656

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Solution

The fourth proportional to 69,486.32, 95,890.88 and 37,656 is: 51,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,486.32 : 95,890.88 = 37,656 : x
  2. Step 2: Convert to fraction form
    69,486.32/95,890.88 = 37,656/x
  3. Step 3: Cross multiply
    69,486.32x = 95,890.88 × 37,656
  4. Step 4: Simplify right side
    69,486.32x = 3,610,866,977.28
  5. Step 5: Solve for x
    x = 3,610,866,977.28/69,486.32
  6. Step 6: Final answer
    x = 51,965.15

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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.