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Finding the Fourth Proportional to 58,379.81, 80,549.30 and 35,710.52

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Solution

The fourth proportional to 58,379.81, 80,549.30 and 35,710.52 is: 49,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.81 : 80,549.30 = 35,710.52 : x
  2. Step 2: Convert to fraction form
    58,379.81/80,549.30 = 35,710.52/x
  3. Step 3: Cross multiply
    58,379.81x = 80,549.30 × 35,710.52
  4. Step 4: Simplify right side
    58,379.81x = 2,876,457,075.17
  5. Step 5: Solve for x
    x = 2,876,457,075.17/58,379.81
  6. Step 6: Final answer
    x = 49,271.44

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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.