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Finding the Fourth Proportional to 55,492.56, 83,091.02 and 43,363.76

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Solution

The fourth proportional to 55,492.56, 83,091.02 and 43,363.76 is: 64,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,492.56 : 83,091.02 = 43,363.76 : x
  2. Step 2: Convert to fraction form
    55,492.56/83,091.02 = 43,363.76/x
  3. Step 3: Cross multiply
    55,492.56x = 83,091.02 × 43,363.76
  4. Step 4: Simplify right side
    55,492.56x = 3,603,138,417.16
  5. Step 5: Solve for x
    x = 3,603,138,417.16/55,492.56
  6. Step 6: Final answer
    x = 64,930.12

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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.