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Finding the Fourth Proportional to 25,970.17, 38,960.44 and 8,203.58

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Solution

The fourth proportional to 25,970.17, 38,960.44 and 8,203.58 is: 12,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.17 : 38,960.44 = 8,203.58 : x
  2. Step 2: Convert to fraction form
    25,970.17/38,960.44 = 8,203.58/x
  3. Step 3: Cross multiply
    25,970.17x = 38,960.44 × 8,203.58
  4. Step 4: Simplify right side
    25,970.17x = 319,615,063.31
  5. Step 5: Solve for x
    x = 319,615,063.31/25,970.17
  6. Step 6: Final answer
    x = 12,307.01

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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.