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Finding the Fourth Proportional to 52,818.63, 72,867.43 and 32,640.51

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Solution

The fourth proportional to 52,818.63, 72,867.43 and 32,640.51 is: 45,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.63 : 72,867.43 = 32,640.51 : x
  2. Step 2: Convert to fraction form
    52,818.63/72,867.43 = 32,640.51/x
  3. Step 3: Cross multiply
    52,818.63x = 72,867.43 × 32,640.51
  4. Step 4: Simplify right side
    52,818.63x = 2,378,430,077.59
  5. Step 5: Solve for x
    x = 2,378,430,077.59/52,818.63
  6. Step 6: Final answer
    x = 45,030.14

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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.