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Finding the Fourth Proportional to 52,124.09, 71,930.09 and 29,460.07

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Solution

The fourth proportional to 52,124.09, 71,930.09 and 29,460.07 is: 40,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124.09 : 71,930.09 = 29,460.07 : x
  2. Step 2: Convert to fraction form
    52,124.09/71,930.09 = 29,460.07/x
  3. Step 3: Cross multiply
    52,124.09x = 71,930.09 × 29,460.07
  4. Step 4: Simplify right side
    52,124.09x = 2,119,064,979.56
  5. Step 5: Solve for x
    x = 2,119,064,979.56/52,124.09
  6. Step 6: Final answer
    x = 40,654.23

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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.