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Finding the Fourth Proportional to 61,419.64, 92,101.02 and 21,967.60

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Solution

The fourth proportional to 61,419.64, 92,101.02 and 21,967.60 is: 32,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,419.64 : 92,101.02 = 21,967.60 : x
  2. Step 2: Convert to fraction form
    61,419.64/92,101.02 = 21,967.60/x
  3. Step 3: Cross multiply
    61,419.64x = 92,101.02 × 21,967.60
  4. Step 4: Simplify right side
    61,419.64x = 2,023,238,366.95
  5. Step 5: Solve for x
    x = 2,023,238,366.95/61,419.64
  6. Step 6: Final answer
    x = 32,941.23

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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.