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Finding the Fourth Proportional to 56,615.70, 84,923.55 and 25,511.70

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Solution

The fourth proportional to 56,615.70, 84,923.55 and 25,511.70 is: 38,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,615.70 : 84,923.55 = 25,511.70 : x
  2. Step 2: Convert to fraction form
    56,615.70/84,923.55 = 25,511.70/x
  3. Step 3: Cross multiply
    56,615.70x = 84,923.55 × 25,511.70
  4. Step 4: Simplify right side
    56,615.70x = 2,166,544,130.54
  5. Step 5: Solve for x
    x = 2,166,544,130.54/56,615.70
  6. Step 6: Final answer
    x = 38,267.55

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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.