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Finding the Fourth Proportional to 52,407.67, 72,322.11 and 28,534.30

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Solution

The fourth proportional to 52,407.67, 72,322.11 and 28,534.30 is: 39,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.67 : 72,322.11 = 28,534.30 : x
  2. Step 2: Convert to fraction form
    52,407.67/72,322.11 = 28,534.30/x
  3. Step 3: Cross multiply
    52,407.67x = 72,322.11 × 28,534.30
  4. Step 4: Simplify right side
    52,407.67x = 2,063,660,783.37
  5. Step 5: Solve for x
    x = 2,063,660,783.37/52,407.67
  6. Step 6: Final answer
    x = 39,377.08

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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.