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Finding the Fourth Proportional to 35,045.52, 48,363.66 and 19,129.86

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Solution

The fourth proportional to 35,045.52, 48,363.66 and 19,129.86 is: 26,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,045.52 : 48,363.66 = 19,129.86 : x
  2. Step 2: Convert to fraction form
    35,045.52/48,363.66 = 19,129.86/x
  3. Step 3: Cross multiply
    35,045.52x = 48,363.66 × 19,129.86
  4. Step 4: Simplify right side
    35,045.52x = 925,190,044.89
  5. Step 5: Solve for x
    x = 925,190,044.89/35,045.52
  6. Step 6: Final answer
    x = 26,399.67

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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.