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Finding the Fourth Proportional to 6,711.80, 9,248.46 and 4,724.60

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Solution

The fourth proportional to 6,711.80, 9,248.46 and 4,724.60 is: 6,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.80 : 9,248.46 = 4,724.60 : x
  2. Step 2: Convert to fraction form
    6,711.80/9,248.46 = 4,724.60/x
  3. Step 3: Cross multiply
    6,711.80x = 9,248.46 × 4,724.60
  4. Step 4: Simplify right side
    6,711.80x = 43,695,274.12
  5. Step 5: Solve for x
    x = 43,695,274.12/6,711.80
  6. Step 6: Final answer
    x = 6,510.22

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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.