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Finding the Fourth Proportional to 58,339.67, 80,510.36 and 35,678.25

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Solution

The fourth proportional to 58,339.67, 80,510.36 and 35,678.25 is: 49,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,339.67 : 80,510.36 = 35,678.25 : x
  2. Step 2: Convert to fraction form
    58,339.67/80,510.36 = 35,678.25/x
  3. Step 3: Cross multiply
    58,339.67x = 80,510.36 × 35,678.25
  4. Step 4: Simplify right side
    58,339.67x = 2,872,468,572.62
  5. Step 5: Solve for x
    x = 2,872,468,572.62/58,339.67
  6. Step 6: Final answer
    x = 49,236.97

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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.