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Finding the Fourth Proportional to 25,703.01, 38,554.50 and 16,935.87

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Solution

The fourth proportional to 25,703.01, 38,554.50 and 16,935.87 is: 25,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.01 : 38,554.50 = 16,935.87 : x
  2. Step 2: Convert to fraction form
    25,703.01/38,554.50 = 16,935.87/x
  3. Step 3: Cross multiply
    25,703.01x = 38,554.50 × 16,935.87
  4. Step 4: Simplify right side
    25,703.01x = 652,953,999.92
  5. Step 5: Solve for x
    x = 652,953,999.92/25,703.01
  6. Step 6: Final answer
    x = 25,403.80

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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.