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Finding the Fourth Proportional to 12,798.52, 19,203.34 and 4,484.50

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Solution

The fourth proportional to 12,798.52, 19,203.34 and 4,484.50 is: 6,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.52 : 19,203.34 = 4,484.50 : x
  2. Step 2: Convert to fraction form
    12,798.52/19,203.34 = 4,484.50/x
  3. Step 3: Cross multiply
    12,798.52x = 19,203.34 × 4,484.50
  4. Step 4: Simplify right side
    12,798.52x = 86,117,378.23
  5. Step 5: Solve for x
    x = 86,117,378.23/12,798.52
  6. Step 6: Final answer
    x = 6,728.70

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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.