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Finding the Fourth Proportional to 8,959.59, 13,435.29 and 4,798.89

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Solution

The fourth proportional to 8,959.59, 13,435.29 and 4,798.89 is: 7,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.59 : 13,435.29 = 4,798.89 : x
  2. Step 2: Convert to fraction form
    8,959.59/13,435.29 = 4,798.89/x
  3. Step 3: Cross multiply
    8,959.59x = 13,435.29 × 4,798.89
  4. Step 4: Simplify right side
    8,959.59x = 64,474,478.83
  5. Step 5: Solve for x
    x = 64,474,478.83/8,959.59
  6. Step 6: Final answer
    x = 7,196.14

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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.