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Finding the Fourth Proportional to 52,475.35, 72,415.51 and 28,602.02

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Solution

The fourth proportional to 52,475.35, 72,415.51 and 28,602.02 is: 39,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,475.35 : 72,415.51 = 28,602.02 : x
  2. Step 2: Convert to fraction form
    52,475.35/72,415.51 = 28,602.02/x
  3. Step 3: Cross multiply
    52,475.35x = 72,415.51 × 28,602.02
  4. Step 4: Simplify right side
    52,475.35x = 2,071,229,865.33
  5. Step 5: Solve for x
    x = 2,071,229,865.33/52,475.35
  6. Step 6: Final answer
    x = 39,470.53

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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.