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Finding the Fourth Proportional to 61,030.82, 84,210.21 and 35,541.33

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Solution

The fourth proportional to 61,030.82, 84,210.21 and 35,541.33 is: 49,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,030.82 : 84,210.21 = 35,541.33 : x
  2. Step 2: Convert to fraction form
    61,030.82/84,210.21 = 35,541.33/x
  3. Step 3: Cross multiply
    61,030.82x = 84,210.21 × 35,541.33
  4. Step 4: Simplify right side
    61,030.82x = 2,992,942,862.98
  5. Step 5: Solve for x
    x = 2,992,942,862.98/61,030.82
  6. Step 6: Final answer
    x = 49,039.86

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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.