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Finding the Fourth Proportional to 16,655.84, 24,990.08 and 4,969.12

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Solution

The fourth proportional to 16,655.84, 24,990.08 and 4,969.12 is: 7,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.84 : 24,990.08 = 4,969.12 : x
  2. Step 2: Convert to fraction form
    16,655.84/24,990.08 = 4,969.12/x
  3. Step 3: Cross multiply
    16,655.84x = 24,990.08 × 4,969.12
  4. Step 4: Simplify right side
    16,655.84x = 124,178,706.33
  5. Step 5: Solve for x
    x = 124,178,706.33/16,655.84
  6. Step 6: Final answer
    x = 7,455.57

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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.