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Finding the Fourth Proportional to 21,865.84, 32,798.76 and 6,283.48

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Solution

The fourth proportional to 21,865.84, 32,798.76 and 6,283.48 is: 9,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.84 : 32,798.76 = 6,283.48 : x
  2. Step 2: Convert to fraction form
    21,865.84/32,798.76 = 6,283.48/x
  3. Step 3: Cross multiply
    21,865.84x = 32,798.76 × 6,283.48
  4. Step 4: Simplify right side
    21,865.84x = 206,090,352.48
  5. Step 5: Solve for x
    x = 206,090,352.48/21,865.84
  6. Step 6: Final answer
    x = 9,425.22

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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.