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Finding the Fourth Proportional to 61,419.68, 92,141.44 and 23,978.24

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Solution

The fourth proportional to 61,419.68, 92,141.44 and 23,978.24 is: 35,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,419.68 : 92,141.44 = 23,978.24 : x
  2. Step 2: Convert to fraction form
    61,419.68/92,141.44 = 23,978.24/x
  3. Step 3: Cross multiply
    61,419.68x = 92,141.44 × 23,978.24
  4. Step 4: Simplify right side
    61,419.68x = 2,209,389,562.27
  5. Step 5: Solve for x
    x = 2,209,389,562.27/61,419.68
  6. Step 6: Final answer
    x = 35,972.01

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1.5x scale

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.