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Finding the Fourth Proportional to 7,357.10, 11,035.58 and 1,810.49

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Solution

The fourth proportional to 7,357.10, 11,035.58 and 1,810.49 is: 2,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.10 : 11,035.58 = 1,810.49 : x
  2. Step 2: Convert to fraction form
    7,357.10/11,035.58 = 1,810.49/x
  3. Step 3: Cross multiply
    7,357.10x = 11,035.58 × 1,810.49
  4. Step 4: Simplify right side
    7,357.10x = 19,979,743.00
  5. Step 5: Solve for x
    x = 19,979,743.00/7,357.10
  6. Step 6: Final answer
    x = 2,715.71

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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.