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Finding the Fourth Proportional to 7,951.95, 10,966.53 and 4,968.09

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Solution

The fourth proportional to 7,951.95, 10,966.53 and 4,968.09 is: 6,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.95 : 10,966.53 = 4,968.09 : x
  2. Step 2: Convert to fraction form
    7,951.95/10,966.53 = 4,968.09/x
  3. Step 3: Cross multiply
    7,951.95x = 10,966.53 × 4,968.09
  4. Step 4: Simplify right side
    7,951.95x = 54,482,708.03
  5. Step 5: Solve for x
    x = 54,482,708.03/7,951.95
  6. Step 6: Final answer
    x = 6,851.49

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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.