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Finding the Fourth Proportional to 37,962.50, 52,389.06 and 21,195.50

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Solution

The fourth proportional to 37,962.50, 52,389.06 and 21,195.50 is: 29,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,962.50 : 52,389.06 = 21,195.50 : x
  2. Step 2: Convert to fraction form
    37,962.50/52,389.06 = 21,195.50/x
  3. Step 3: Cross multiply
    37,962.50x = 52,389.06 × 21,195.50
  4. Step 4: Simplify right side
    37,962.50x = 1,110,412,321.23
  5. Step 5: Solve for x
    x = 1,110,412,321.23/37,962.50
  6. Step 6: Final answer
    x = 29,250.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.