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Finding the Fourth Proportional to 56,433.93, 77,879.12 and 32,561.61

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Solution

The fourth proportional to 56,433.93, 77,879.12 and 32,561.61 is: 44,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,433.93 : 77,879.12 = 32,561.61 : x
  2. Step 2: Convert to fraction form
    56,433.93/77,879.12 = 32,561.61/x
  3. Step 3: Cross multiply
    56,433.93x = 77,879.12 × 32,561.61
  4. Step 4: Simplify right side
    56,433.93x = 2,535,869,369.78
  5. Step 5: Solve for x
    x = 2,535,869,369.78/56,433.93
  6. Step 6: Final answer
    x = 44,935.19

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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.