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Finding the Fourth Proportional to 55,294.40, 82,925.40 and 25,705.10

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Solution

The fourth proportional to 55,294.40, 82,925.40 and 25,705.10 is: 38,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.40 : 82,925.40 = 25,705.10 : x
  2. Step 2: Convert to fraction form
    55,294.40/82,925.40 = 25,705.10/x
  3. Step 3: Cross multiply
    55,294.40x = 82,925.40 × 25,705.10
  4. Step 4: Simplify right side
    55,294.40x = 2,131,605,699.54
  5. Step 5: Solve for x
    x = 2,131,605,699.54/55,294.40
  6. Step 6: Final answer
    x = 38,550.12

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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.