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Finding the Fourth Proportional to 25,365.37, 35,018.29 and 15,296.37

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Solution

The fourth proportional to 25,365.37, 35,018.29 and 15,296.37 is: 21,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.37 : 35,018.29 = 15,296.37 : x
  2. Step 2: Convert to fraction form
    25,365.37/35,018.29 = 15,296.37/x
  3. Step 3: Cross multiply
    25,365.37x = 35,018.29 × 15,296.37
  4. Step 4: Simplify right side
    25,365.37x = 535,652,593.32
  5. Step 5: Solve for x
    x = 535,652,593.32/25,365.37
  6. Step 6: Final answer
    x = 21,117.47

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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.