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Finding the Fourth Proportional to 55,574.69, 76,693.07 and 30,424.19

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Solution

The fourth proportional to 55,574.69, 76,693.07 and 30,424.19 is: 41,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.69 : 76,693.07 = 30,424.19 : x
  2. Step 2: Convert to fraction form
    55,574.69/76,693.07 = 30,424.19/x
  3. Step 3: Cross multiply
    55,574.69x = 76,693.07 × 30,424.19
  4. Step 4: Simplify right side
    55,574.69x = 2,333,324,533.36
  5. Step 5: Solve for x
    x = 2,333,324,533.36/55,574.69
  6. Step 6: Final answer
    x = 41,985.38

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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.