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Finding the Fourth Proportional to 45,116, 67,673.69 and 35,263.56

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Solution

The fourth proportional to 45,116, 67,673.69 and 35,263.56 is: 52,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116 : 67,673.69 = 35,263.56 : x
  2. Step 2: Convert to fraction form
    45,116/67,673.69 = 35,263.56/x
  3. Step 3: Cross multiply
    45,116x = 67,673.69 × 35,263.56
  4. Step 4: Simplify right side
    45,116x = 2,386,415,227.74
  5. Step 5: Solve for x
    x = 2,386,415,227.74/45,116
  6. Step 6: Final answer
    x = 52,895.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.