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Finding the Fourth Proportional to 69,538.98, 95,963.16 and 39,330.24

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Solution

The fourth proportional to 69,538.98, 95,963.16 and 39,330.24 is: 54,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,538.98 : 95,963.16 = 39,330.24 : x
  2. Step 2: Convert to fraction form
    69,538.98/95,963.16 = 39,330.24/x
  3. Step 3: Cross multiply
    69,538.98x = 95,963.16 × 39,330.24
  4. Step 4: Simplify right side
    69,538.98x = 3,774,254,113.96
  5. Step 5: Solve for x
    x = 3,774,254,113.96/69,538.98
  6. Step 6: Final answer
    x = 54,275.37

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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.