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Finding the Fourth Proportional to 7,235.70, 10,843.08 and 3,533.76

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Solution

The fourth proportional to 7,235.70, 10,843.08 and 3,533.76 is: 5,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.70 : 10,843.08 = 3,533.76 : x
  2. Step 2: Convert to fraction form
    7,235.70/10,843.08 = 3,533.76/x
  3. Step 3: Cross multiply
    7,235.70x = 10,843.08 × 3,533.76
  4. Step 4: Simplify right side
    7,235.70x = 38,316,842.38
  5. Step 5: Solve for x
    x = 38,316,842.38/7,235.70
  6. Step 6: Final answer
    x = 5,295.53

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1.5x scale

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.