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Finding the Fourth Proportional to 45,928.96, 68,904 and 13,096.96

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Solution

The fourth proportional to 45,928.96, 68,904 and 13,096.96 is: 19,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928.96 : 68,904 = 13,096.96 : x
  2. Step 2: Convert to fraction form
    45,928.96/68,904 = 13,096.96/x
  3. Step 3: Cross multiply
    45,928.96x = 68,904 × 13,096.96
  4. Step 4: Simplify right side
    45,928.96x = 902,432,931.84
  5. Step 5: Solve for x
    x = 902,432,931.84/45,928.96
  6. Step 6: Final answer
    x = 19,648.45

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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.