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Finding the Fourth Proportional to 57,050.51, 78,703.52 and 36,913.96

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Solution

The fourth proportional to 57,050.51, 78,703.52 and 36,913.96 is: 50,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.51 : 78,703.52 = 36,913.96 : x
  2. Step 2: Convert to fraction form
    57,050.51/78,703.52 = 36,913.96/x
  3. Step 3: Cross multiply
    57,050.51x = 78,703.52 × 36,913.96
  4. Step 4: Simplify right side
    57,050.51x = 2,905,258,207.81
  5. Step 5: Solve for x
    x = 2,905,258,207.81/57,050.51
  6. Step 6: Final answer
    x = 50,924.31

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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.