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Finding the Fourth Proportional to 21,770.51, 32,655.69 and 5,975.71

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Solution

The fourth proportional to 21,770.51, 32,655.69 and 5,975.71 is: 8,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.51 : 32,655.69 = 5,975.71 : x
  2. Step 2: Convert to fraction form
    21,770.51/32,655.69 = 5,975.71/x
  3. Step 3: Cross multiply
    21,770.51x = 32,655.69 × 5,975.71
  4. Step 4: Simplify right side
    21,770.51x = 195,140,851.65
  5. Step 5: Solve for x
    x = 195,140,851.65/21,770.51
  6. Step 6: Final answer
    x = 8,963.54

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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.