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Finding the Fourth Proportional to 68,610.10, 102,922.71 and 21,852.22

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Solution

The fourth proportional to 68,610.10, 102,922.71 and 21,852.22 is: 32,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,610.10 : 102,922.71 = 21,852.22 : x
  2. Step 2: Convert to fraction form
    68,610.10/102,922.71 = 21,852.22/x
  3. Step 3: Cross multiply
    68,610.10x = 102,922.71 × 21,852.22
  4. Step 4: Simplify right side
    68,610.10x = 2,249,089,701.92
  5. Step 5: Solve for x
    x = 2,249,089,701.92/68,610.10
  6. Step 6: Final answer
    x = 32,780.74

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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.