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Finding the Fourth Proportional to 56,937.44, 78,509.76 and 36,767.84

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Solution

The fourth proportional to 56,937.44, 78,509.76 and 36,767.84 is: 50,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.44 : 78,509.76 = 36,767.84 : x
  2. Step 2: Convert to fraction form
    56,937.44/78,509.76 = 36,767.84/x
  3. Step 3: Cross multiply
    56,937.44x = 78,509.76 × 36,767.84
  4. Step 4: Simplify right side
    56,937.44x = 2,886,634,294.12
  5. Step 5: Solve for x
    x = 2,886,634,294.12/56,937.44
  6. Step 6: Final answer
    x = 50,698.35

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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.