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Finding the Fourth Proportional to 22,353.66, 30,848.90 and 12,795.05

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Solution

The fourth proportional to 22,353.66, 30,848.90 and 12,795.05 is: 17,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,353.66 : 30,848.90 = 12,795.05 : x
  2. Step 2: Convert to fraction form
    22,353.66/30,848.90 = 12,795.05/x
  3. Step 3: Cross multiply
    22,353.66x = 30,848.90 × 12,795.05
  4. Step 4: Simplify right side
    22,353.66x = 394,712,999.73
  5. Step 5: Solve for x
    x = 394,712,999.73/22,353.66
  6. Step 6: Final answer
    x = 17,657.65

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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.