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Finding the Fourth Proportional to 25,410.61, 35,062.50 and 15,972.49

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Solution

The fourth proportional to 25,410.61, 35,062.50 and 15,972.49 is: 22,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.61 : 35,062.50 = 15,972.49 : x
  2. Step 2: Convert to fraction form
    25,410.61/35,062.50 = 15,972.49/x
  3. Step 3: Cross multiply
    25,410.61x = 35,062.50 × 15,972.49
  4. Step 4: Simplify right side
    25,410.61x = 560,035,430.63
  5. Step 5: Solve for x
    x = 560,035,430.63/25,410.61
  6. Step 6: Final answer
    x = 22,039.43

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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.