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Finding the Fourth Proportional to 69,437.70, 95,837.49 and 45,563.58

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Solution

The fourth proportional to 69,437.70, 95,837.49 and 45,563.58 is: 62,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.70 : 95,837.49 = 45,563.58 : x
  2. Step 2: Convert to fraction form
    69,437.70/95,837.49 = 45,563.58/x
  3. Step 3: Cross multiply
    69,437.70x = 95,837.49 × 45,563.58
  4. Step 4: Simplify right side
    69,437.70x = 4,366,699,142.61
  5. Step 5: Solve for x
    x = 4,366,699,142.61/69,437.70
  6. Step 6: Final answer
    x = 62,886.58

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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.