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Finding the Fourth Proportional to 10,353.66, 15,535.70 and 4,730.70

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Solution

The fourth proportional to 10,353.66, 15,535.70 and 4,730.70 is: 7,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.66 : 15,535.70 = 4,730.70 : x
  2. Step 2: Convert to fraction form
    10,353.66/15,535.70 = 4,730.70/x
  3. Step 3: Cross multiply
    10,353.66x = 15,535.70 × 4,730.70
  4. Step 4: Simplify right side
    10,353.66x = 73,494,788.34
  5. Step 5: Solve for x
    x = 73,494,788.34/10,353.66
  6. Step 6: Final answer
    x = 7,098.44

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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.