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Finding the Fourth Proportional to 25,883.69, 35,719.35 and 14,553.20

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Solution

The fourth proportional to 25,883.69, 35,719.35 and 14,553.20 is: 20,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.69 : 35,719.35 = 14,553.20 : x
  2. Step 2: Convert to fraction form
    25,883.69/35,719.35 = 14,553.20/x
  3. Step 3: Cross multiply
    25,883.69x = 35,719.35 × 14,553.20
  4. Step 4: Simplify right side
    25,883.69x = 519,830,879.14
  5. Step 5: Solve for x
    x = 519,830,879.14/25,883.69
  6. Step 6: Final answer
    x = 20,083.34

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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.