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Finding the Fourth Proportional to 21,968.91, 32,953.04 and 5,329.08

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Solution

The fourth proportional to 21,968.91, 32,953.04 and 5,329.08 is: 7,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.91 : 32,953.04 = 5,329.08 : x
  2. Step 2: Convert to fraction form
    21,968.91/32,953.04 = 5,329.08/x
  3. Step 3: Cross multiply
    21,968.91x = 32,953.04 × 5,329.08
  4. Step 4: Simplify right side
    21,968.91x = 175,609,386.40
  5. Step 5: Solve for x
    x = 175,609,386.40/21,968.91
  6. Step 6: Final answer
    x = 7,993.54

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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.