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Finding the Fourth Proportional to 19,673.65, 29,508.03 and 7,975.63

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Solution

The fourth proportional to 19,673.65, 29,508.03 and 7,975.63 is: 11,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.65 : 29,508.03 = 7,975.63 : x
  2. Step 2: Convert to fraction form
    19,673.65/29,508.03 = 7,975.63/x
  3. Step 3: Cross multiply
    19,673.65x = 29,508.03 × 7,975.63
  4. Step 4: Simplify right side
    19,673.65x = 235,345,129.31
  5. Step 5: Solve for x
    x = 235,345,129.31/19,673.65
  6. Step 6: Final answer
    x = 11,962.45

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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.