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Finding the Fourth Proportional to 25,498.34, 35,200.50 and 15,943.54

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Solution

The fourth proportional to 25,498.34, 35,200.50 and 15,943.54 is: 22,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,498.34 : 35,200.50 = 15,943.54 : x
  2. Step 2: Convert to fraction form
    25,498.34/35,200.50 = 15,943.54/x
  3. Step 3: Cross multiply
    25,498.34x = 35,200.50 × 15,943.54
  4. Step 4: Simplify right side
    25,498.34x = 561,220,579.77
  5. Step 5: Solve for x
    x = 561,220,579.77/25,498.34
  6. Step 6: Final answer
    x = 22,010.08

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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.