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Finding the Fourth Proportional to 61,343.89, 92,016.47 and 21,901.34

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Solution

The fourth proportional to 61,343.89, 92,016.47 and 21,901.34 is: 32,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,343.89 : 92,016.47 = 21,901.34 : x
  2. Step 2: Convert to fraction form
    61,343.89/92,016.47 = 21,901.34/x
  3. Step 3: Cross multiply
    61,343.89x = 92,016.47 × 21,901.34
  4. Step 4: Simplify right side
    61,343.89x = 2,015,284,279.86
  5. Step 5: Solve for x
    x = 2,015,284,279.86/61,343.89
  6. Step 6: Final answer
    x = 32,852.24

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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.