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Finding the Fourth Proportional to 56,565.57, 78,055.93 and 32,693.79

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Solution

The fourth proportional to 56,565.57, 78,055.93 and 32,693.79 is: 45,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,565.57 : 78,055.93 = 32,693.79 : x
  2. Step 2: Convert to fraction form
    56,565.57/78,055.93 = 32,693.79/x
  3. Step 3: Cross multiply
    56,565.57x = 78,055.93 × 32,693.79
  4. Step 4: Simplify right side
    56,565.57x = 2,551,944,183.67
  5. Step 5: Solve for x
    x = 2,551,944,183.67/56,565.57
  6. Step 6: Final answer
    x = 45,114.80

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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.