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Finding the Fourth Proportional to 69,326.56, 95,663.88 and 39,116.56

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Solution

The fourth proportional to 69,326.56, 95,663.88 and 39,116.56 is: 53,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,326.56 : 95,663.88 = 39,116.56 : x
  2. Step 2: Convert to fraction form
    69,326.56/95,663.88 = 39,116.56/x
  3. Step 3: Cross multiply
    69,326.56x = 95,663.88 × 39,116.56
  4. Step 4: Simplify right side
    69,326.56x = 3,742,041,901.85
  5. Step 5: Solve for x
    x = 3,742,041,901.85/69,326.56
  6. Step 6: Final answer
    x = 53,977.03

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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.