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Finding the Fourth Proportional to 21,348.87, 32,001 and 7,304.74

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Solution

The fourth proportional to 21,348.87, 32,001 and 7,304.74 is: 10,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.87 : 32,001 = 7,304.74 : x
  2. Step 2: Convert to fraction form
    21,348.87/32,001 = 7,304.74/x
  3. Step 3: Cross multiply
    21,348.87x = 32,001 × 7,304.74
  4. Step 4: Simplify right side
    21,348.87x = 233,758,984.74
  5. Step 5: Solve for x
    x = 233,758,984.74/21,348.87
  6. Step 6: Final answer
    x = 10,949.48

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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.