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Finding the Fourth Proportional to 21,852.70, 32,779.08 and 9,364.62

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Solution

The fourth proportional to 21,852.70, 32,779.08 and 9,364.62 is: 14,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.70 : 32,779.08 = 9,364.62 : x
  2. Step 2: Convert to fraction form
    21,852.70/32,779.08 = 9,364.62/x
  3. Step 3: Cross multiply
    21,852.70x = 32,779.08 × 9,364.62
  4. Step 4: Simplify right side
    21,852.70x = 306,963,628.15
  5. Step 5: Solve for x
    x = 306,963,628.15/21,852.70
  6. Step 6: Final answer
    x = 14,046.94

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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.