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Finding the Fourth Proportional to 36,897.50, 55,346.25 and 12,273.50

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Solution

The fourth proportional to 36,897.50, 55,346.25 and 12,273.50 is: 18,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897.50 : 55,346.25 = 12,273.50 : x
  2. Step 2: Convert to fraction form
    36,897.50/55,346.25 = 12,273.50/x
  3. Step 3: Cross multiply
    36,897.50x = 55,346.25 × 12,273.50
  4. Step 4: Simplify right side
    36,897.50x = 679,292,199.38
  5. Step 5: Solve for x
    x = 679,292,199.38/36,897.50
  6. Step 6: Final answer
    x = 18,410.25

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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.