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Finding the Fourth Proportional to 45,661.96, 68,492.96 and 29,880.29

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Solution

The fourth proportional to 45,661.96, 68,492.96 and 29,880.29 is: 44,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.96 : 68,492.96 = 29,880.29 : x
  2. Step 2: Convert to fraction form
    45,661.96/68,492.96 = 29,880.29/x
  3. Step 3: Cross multiply
    45,661.96x = 68,492.96 × 29,880.29
  4. Step 4: Simplify right side
    45,661.96x = 2,046,589,641.64
  5. Step 5: Solve for x
    x = 2,046,589,641.64/45,661.96
  6. Step 6: Final answer
    x = 44,820.45

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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.