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Finding the Fourth Proportional to 63,645.48, 95,322.89 and 30,388.89

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Solution

The fourth proportional to 63,645.48, 95,322.89 and 30,388.89 is: 45,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.48 : 95,322.89 = 30,388.89 : x
  2. Step 2: Convert to fraction form
    63,645.48/95,322.89 = 30,388.89/x
  3. Step 3: Cross multiply
    63,645.48x = 95,322.89 × 30,388.89
  4. Step 4: Simplify right side
    63,645.48x = 2,896,756,715.93
  5. Step 5: Solve for x
    x = 2,896,756,715.93/63,645.48
  6. Step 6: Final answer
    x = 45,513.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.