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Finding the Fourth Proportional to 61,903.56, 85,426.06 and 35,045.37

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Solution

The fourth proportional to 61,903.56, 85,426.06 and 35,045.37 is: 48,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.56 : 85,426.06 = 35,045.37 : x
  2. Step 2: Convert to fraction form
    61,903.56/85,426.06 = 35,045.37/x
  3. Step 3: Cross multiply
    61,903.56x = 85,426.06 × 35,045.37
  4. Step 4: Simplify right side
    61,903.56x = 2,993,787,880.34
  5. Step 5: Solve for x
    x = 2,993,787,880.34/61,903.56
  6. Step 6: Final answer
    x = 48,362.13

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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.