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Finding the Fourth Proportional to 10,851.84, 14,984.91 and 6,880.05

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Solution

The fourth proportional to 10,851.84, 14,984.91 and 6,880.05 is: 9,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.84 : 14,984.91 = 6,880.05 : x
  2. Step 2: Convert to fraction form
    10,851.84/14,984.91 = 6,880.05/x
  3. Step 3: Cross multiply
    10,851.84x = 14,984.91 × 6,880.05
  4. Step 4: Simplify right side
    10,851.84x = 103,096,930.05
  5. Step 5: Solve for x
    x = 103,096,930.05/10,851.84
  6. Step 6: Final answer
    x = 9,500.41

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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.