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Finding the Fourth Proportional to 39,497.52, 54,501.81 and 22,501.80

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Solution

The fourth proportional to 39,497.52, 54,501.81 and 22,501.80 is: 31,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,497.52 : 54,501.81 = 22,501.80 : x
  2. Step 2: Convert to fraction form
    39,497.52/54,501.81 = 22,501.80/x
  3. Step 3: Cross multiply
    39,497.52x = 54,501.81 × 22,501.80
  4. Step 4: Simplify right side
    39,497.52x = 1,226,388,828.26
  5. Step 5: Solve for x
    x = 1,226,388,828.26/39,497.52
  6. Step 6: Final answer
    x = 31,049.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.