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Finding the Fourth Proportional to 69,572.45, 95,973.21 and 49,437.47

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Solution

The fourth proportional to 69,572.45, 95,973.21 and 49,437.47 is: 68,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,572.45 : 95,973.21 = 49,437.47 : x
  2. Step 2: Convert to fraction form
    69,572.45/95,973.21 = 49,437.47/x
  3. Step 3: Cross multiply
    69,572.45x = 95,973.21 × 49,437.47
  4. Step 4: Simplify right side
    69,572.45x = 4,744,672,210.31
  5. Step 5: Solve for x
    x = 4,744,672,210.31/69,572.45
  6. Step 6: Final answer
    x = 68,197.58

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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.