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Finding the Fourth Proportional to 56,249.70, 77,528.76 and 51,482.76

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Solution

The fourth proportional to 56,249.70, 77,528.76 and 51,482.76 is: 70,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,249.70 : 77,528.76 = 51,482.76 : x
  2. Step 2: Convert to fraction form
    56,249.70/77,528.76 = 51,482.76/x
  3. Step 3: Cross multiply
    56,249.70x = 77,528.76 × 51,482.76
  4. Step 4: Simplify right side
    56,249.70x = 3,991,394,544.18
  5. Step 5: Solve for x
    x = 3,991,394,544.18/56,249.70
  6. Step 6: Final answer
    x = 70,958.50

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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.