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Finding the Fourth Proportional to 7,957.18, 10,989.06 and 5,964.58

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Solution

The fourth proportional to 7,957.18, 10,989.06 and 5,964.58 is: 8,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.18 : 10,989.06 = 5,964.58 : x
  2. Step 2: Convert to fraction form
    7,957.18/10,989.06 = 5,964.58/x
  3. Step 3: Cross multiply
    7,957.18x = 10,989.06 × 5,964.58
  4. Step 4: Simplify right side
    7,957.18x = 65,545,127.49
  5. Step 5: Solve for x
    x = 65,545,127.49/7,957.18
  6. Step 6: Final answer
    x = 8,237.23

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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.