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Finding the Fourth Proportional to 17,873.64, 24,665.44 and 9,915.66

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Solution

The fourth proportional to 17,873.64, 24,665.44 and 9,915.66 is: 13,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.64 : 24,665.44 = 9,915.66 : x
  2. Step 2: Convert to fraction form
    17,873.64/24,665.44 = 9,915.66/x
  3. Step 3: Cross multiply
    17,873.64x = 24,665.44 × 9,915.66
  4. Step 4: Simplify right side
    17,873.64x = 244,574,116.79
  5. Step 5: Solve for x
    x = 244,574,116.79/17,873.64
  6. Step 6: Final answer
    x = 13,683.51

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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.