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Finding the Fourth Proportional to 69,316.54, 95,682.74 and 53,972.74

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Solution

The fourth proportional to 69,316.54, 95,682.74 and 53,972.74 is: 74,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,316.54 : 95,682.74 = 53,972.74 : x
  2. Step 2: Convert to fraction form
    69,316.54/95,682.74 = 53,972.74/x
  3. Step 3: Cross multiply
    69,316.54x = 95,682.74 × 53,972.74
  4. Step 4: Simplify right side
    69,316.54x = 5,164,259,648.51
  5. Step 5: Solve for x
    x = 5,164,259,648.51/69,316.54
  6. Step 6: Final answer
    x = 74,502.56

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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.