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Finding the Fourth Proportional to 19,955.52, 29,952.11 and 10,101.87

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Solution

The fourth proportional to 19,955.52, 29,952.11 and 10,101.87 is: 15,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.52 : 29,952.11 = 10,101.87 : x
  2. Step 2: Convert to fraction form
    19,955.52/29,952.11 = 10,101.87/x
  3. Step 3: Cross multiply
    19,955.52x = 29,952.11 × 10,101.87
  4. Step 4: Simplify right side
    19,955.52x = 302,572,321.45
  5. Step 5: Solve for x
    x = 302,572,321.45/19,955.52
  6. Step 6: Final answer
    x = 15,162.34

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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.