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Finding the Fourth Proportional to 25,876.01, 38,813.93 and 7,156.00

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Solution

The fourth proportional to 25,876.01, 38,813.93 and 7,156.00 is: 10,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,876.01 : 38,813.93 = 7,156.00 : x
  2. Step 2: Convert to fraction form
    25,876.01/38,813.93 = 7,156.00/x
  3. Step 3: Cross multiply
    25,876.01x = 38,813.93 × 7,156.00
  4. Step 4: Simplify right side
    25,876.01x = 277,752,253.23
  5. Step 5: Solve for x
    x = 277,752,253.23/25,876.01
  6. Step 6: Final answer
    x = 10,733.97

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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.