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Finding the Fourth Proportional to 52,203.32, 72,041.11 and 28,330.20

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Solution

The fourth proportional to 52,203.32, 72,041.11 and 28,330.20 is: 39,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,203.32 : 72,041.11 = 28,330.20 : x
  2. Step 2: Convert to fraction form
    52,203.32/72,041.11 = 28,330.20/x
  3. Step 3: Cross multiply
    52,203.32x = 72,041.11 × 28,330.20
  4. Step 4: Simplify right side
    52,203.32x = 2,040,939,054.52
  5. Step 5: Solve for x
    x = 2,040,939,054.52/52,203.32
  6. Step 6: Final answer
    x = 39,095.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.