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Finding the Fourth Proportional to 52,393, 72,303.97 and 28,521.26

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Solution

The fourth proportional to 52,393, 72,303.97 and 28,521.26 is: 39,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,393 : 72,303.97 = 28,521.26 : x
  2. Step 2: Convert to fraction form
    52,393/72,303.97 = 28,521.26/x
  3. Step 3: Cross multiply
    52,393x = 72,303.97 × 28,521.26
  4. Step 4: Simplify right side
    52,393x = 2,062,200,327.40
  5. Step 5: Solve for x
    x = 2,062,200,327.40/52,393
  6. Step 6: Final answer
    x = 39,360.23

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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.