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Finding the Fourth Proportional to 56,616.76, 84,925.14 and 25,415.56

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Solution

The fourth proportional to 56,616.76, 84,925.14 and 25,415.56 is: 38,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.76 : 84,925.14 = 25,415.56 : x
  2. Step 2: Convert to fraction form
    56,616.76/84,925.14 = 25,415.56/x
  3. Step 3: Cross multiply
    56,616.76x = 84,925.14 × 25,415.56
  4. Step 4: Simplify right side
    56,616.76x = 2,158,419,991.18
  5. Step 5: Solve for x
    x = 2,158,419,991.18/56,616.76
  6. Step 6: Final answer
    x = 38,123.34

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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.