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Finding the Fourth Proportional to 58,846.95, 88,242.61 and 21,380.90

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Solution

The fourth proportional to 58,846.95, 88,242.61 and 21,380.90 is: 32,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,846.95 : 88,242.61 = 21,380.90 : x
  2. Step 2: Convert to fraction form
    58,846.95/88,242.61 = 21,380.90/x
  3. Step 3: Cross multiply
    58,846.95x = 88,242.61 × 21,380.90
  4. Step 4: Simplify right side
    58,846.95x = 1,886,706,420.15
  5. Step 5: Solve for x
    x = 1,886,706,420.15/58,846.95
  6. Step 6: Final answer
    x = 32,061.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.