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Finding the Fourth Proportional to 69,242.52, 95,555.06 and 40,579.08

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Solution

The fourth proportional to 69,242.52, 95,555.06 and 40,579.08 is: 55,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,242.52 : 95,555.06 = 40,579.08 : x
  2. Step 2: Convert to fraction form
    69,242.52/95,555.06 = 40,579.08/x
  3. Step 3: Cross multiply
    69,242.52x = 95,555.06 × 40,579.08
  4. Step 4: Simplify right side
    69,242.52x = 3,877,536,424.14
  5. Step 5: Solve for x
    x = 3,877,536,424.14/69,242.52
  6. Step 6: Final answer
    x = 55,999.35

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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.