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Finding the Fourth Proportional to 58,561.62, 80,814.42 and 31,703.64

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Solution

The fourth proportional to 58,561.62, 80,814.42 and 31,703.64 is: 43,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,561.62 : 80,814.42 = 31,703.64 : x
  2. Step 2: Convert to fraction form
    58,561.62/80,814.42 = 31,703.64/x
  3. Step 3: Cross multiply
    58,561.62x = 80,814.42 × 31,703.64
  4. Step 4: Simplify right side
    58,561.62x = 2,562,111,278.49
  5. Step 5: Solve for x
    x = 2,562,111,278.49/58,561.62
  6. Step 6: Final answer
    x = 43,750.69

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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.