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Finding the Fourth Proportional to 25,699.84, 38,549.14 and 11,848.84

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Solution

The fourth proportional to 25,699.84, 38,549.14 and 11,848.84 is: 17,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.84 : 38,549.14 = 11,848.84 : x
  2. Step 2: Convert to fraction form
    25,699.84/38,549.14 = 11,848.84/x
  3. Step 3: Cross multiply
    25,699.84x = 38,549.14 × 11,848.84
  4. Step 4: Simplify right side
    25,699.84x = 456,762,592.00
  5. Step 5: Solve for x
    x = 456,762,592.00/25,699.84
  6. Step 6: Final answer
    x = 17,772.97

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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.