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Finding the Fourth Proportional to 37,210.40, 55,820.44 and 12,253

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Solution

The fourth proportional to 37,210.40, 55,820.44 and 12,253 is: 18,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,210.40 : 55,820.44 = 12,253 : x
  2. Step 2: Convert to fraction form
    37,210.40/55,820.44 = 12,253/x
  3. Step 3: Cross multiply
    37,210.40x = 55,820.44 × 12,253
  4. Step 4: Simplify right side
    37,210.40x = 683,967,851.32
  5. Step 5: Solve for x
    x = 683,967,851.32/37,210.40
  6. Step 6: Final answer
    x = 18,381.09

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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.