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Finding the Fourth Proportional to 58,235.69, 80,360.78 and 35,585.66

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Solution

The fourth proportional to 58,235.69, 80,360.78 and 35,585.66 is: 49,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,235.69 : 80,360.78 = 35,585.66 : x
  2. Step 2: Convert to fraction form
    58,235.69/80,360.78 = 35,585.66/x
  3. Step 3: Cross multiply
    58,235.69x = 80,360.78 × 35,585.66
  4. Step 4: Simplify right side
    58,235.69x = 2,859,691,417.39
  5. Step 5: Solve for x
    x = 2,859,691,417.39/58,235.69
  6. Step 6: Final answer
    x = 49,105.48

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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.