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Finding the Fourth Proportional to 56,345.86, 77,756.79 and 32,472.01

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Solution

The fourth proportional to 56,345.86, 77,756.79 and 32,472.01 is: 44,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.86 : 77,756.79 = 32,472.01 : x
  2. Step 2: Convert to fraction form
    56,345.86/77,756.79 = 32,472.01/x
  3. Step 3: Cross multiply
    56,345.86x = 77,756.79 × 32,472.01
  4. Step 4: Simplify right side
    56,345.86x = 2,524,919,262.45
  5. Step 5: Solve for x
    x = 2,524,919,262.45/56,345.86
  6. Step 6: Final answer
    x = 44,811.09

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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.