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Finding the Fourth Proportional to 58,379.68, 80,549.13 and 35,710.39

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Solution

The fourth proportional to 58,379.68, 80,549.13 and 35,710.39 is: 49,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.68 : 80,549.13 = 35,710.39 : x
  2. Step 2: Convert to fraction form
    58,379.68/80,549.13 = 35,710.39/x
  3. Step 3: Cross multiply
    58,379.68x = 80,549.13 × 35,710.39
  4. Step 4: Simplify right side
    58,379.68x = 2,876,440,846.46
  5. Step 5: Solve for x
    x = 2,876,440,846.46/58,379.68
  6. Step 6: Final answer
    x = 49,271.27

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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.