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Finding the Fourth Proportional to 32,457.84, 44,787.36 and 18,115.92

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Solution

The fourth proportional to 32,457.84, 44,787.36 and 18,115.92 is: 24,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,457.84 : 44,787.36 = 18,115.92 : x
  2. Step 2: Convert to fraction form
    32,457.84/44,787.36 = 18,115.92/x
  3. Step 3: Cross multiply
    32,457.84x = 44,787.36 × 18,115.92
  4. Step 4: Simplify right side
    32,457.84x = 811,364,230.77
  5. Step 5: Solve for x
    x = 811,364,230.77/32,457.84
  6. Step 6: Final answer
    x = 24,997.48

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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.