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Finding the Fourth Proportional to 7,472.57, 11,209.54 and 1,925.93

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Solution

The fourth proportional to 7,472.57, 11,209.54 and 1,925.93 is: 2,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.57 : 11,209.54 = 1,925.93 : x
  2. Step 2: Convert to fraction form
    7,472.57/11,209.54 = 1,925.93/x
  3. Step 3: Cross multiply
    7,472.57x = 11,209.54 × 1,925.93
  4. Step 4: Simplify right side
    7,472.57x = 21,588,789.37
  5. Step 5: Solve for x
    x = 21,588,789.37/7,472.57
  6. Step 6: Final answer
    x = 2,889.07

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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.