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Finding the Fourth Proportional to 58,473.40, 80,674.88 and 35,788.74

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Solution

The fourth proportional to 58,473.40, 80,674.88 and 35,788.74 is: 49,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,473.40 : 80,674.88 = 35,788.74 : x
  2. Step 2: Convert to fraction form
    58,473.40/80,674.88 = 35,788.74/x
  3. Step 3: Cross multiply
    58,473.40x = 80,674.88 × 35,788.74
  4. Step 4: Simplify right side
    58,473.40x = 2,887,252,504.07
  5. Step 5: Solve for x
    x = 2,887,252,504.07/58,473.40
  6. Step 6: Final answer
    x = 49,377.19

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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.