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Finding the Fourth Proportional to 21,594.31, 32,392.62 and 6,804.38

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Solution

The fourth proportional to 21,594.31, 32,392.62 and 6,804.38 is: 10,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.31 : 32,392.62 = 6,804.38 : x
  2. Step 2: Convert to fraction form
    21,594.31/32,392.62 = 6,804.38/x
  3. Step 3: Cross multiply
    21,594.31x = 32,392.62 × 6,804.38
  4. Step 4: Simplify right side
    21,594.31x = 220,411,776.66
  5. Step 5: Solve for x
    x = 220,411,776.66/21,594.31
  6. Step 6: Final answer
    x = 10,206.94

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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.