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Finding the Fourth Proportional to 55,670.69, 76,814.73 and 33,005.48

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Solution

The fourth proportional to 55,670.69, 76,814.73 and 33,005.48 is: 45,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,670.69 : 76,814.73 = 33,005.48 : x
  2. Step 2: Convert to fraction form
    55,670.69/76,814.73 = 33,005.48/x
  3. Step 3: Cross multiply
    55,670.69x = 76,814.73 × 33,005.48
  4. Step 4: Simplify right side
    55,670.69x = 2,535,306,650.65
  5. Step 5: Solve for x
    x = 2,535,306,650.65/55,670.69
  6. Step 6: Final answer
    x = 45,541.14

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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.