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Finding the Fourth Proportional to 56,122.65, 77,424.79 and 36,977.86

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Solution

The fourth proportional to 56,122.65, 77,424.79 and 36,977.86 is: 51,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.65 : 77,424.79 = 36,977.86 : x
  2. Step 2: Convert to fraction form
    56,122.65/77,424.79 = 36,977.86/x
  3. Step 3: Cross multiply
    56,122.65x = 77,424.79 × 36,977.86
  4. Step 4: Simplify right side
    56,122.65x = 2,863,003,045.15
  5. Step 5: Solve for x
    x = 2,863,003,045.15/56,122.65
  6. Step 6: Final answer
    x = 51,013.33

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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.