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Finding the Fourth Proportional to 62,770.08, 86,646.30 and 41,578.08

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Solution

The fourth proportional to 62,770.08, 86,646.30 and 41,578.08 is: 57,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,770.08 : 86,646.30 = 41,578.08 : x
  2. Step 2: Convert to fraction form
    62,770.08/86,646.30 = 41,578.08/x
  3. Step 3: Cross multiply
    62,770.08x = 86,646.30 × 41,578.08
  4. Step 4: Simplify right side
    62,770.08x = 3,602,586,793.10
  5. Step 5: Solve for x
    x = 3,602,586,793.10/62,770.08
  6. Step 6: Final answer
    x = 57,393.38

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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.