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Finding the Fourth Proportional to 5,957.28, 8,918.64 and 4,407.84

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Solution

The fourth proportional to 5,957.28, 8,918.64 and 4,407.84 is: 6,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,957.28 : 8,918.64 = 4,407.84 : x
  2. Step 2: Convert to fraction form
    5,957.28/8,918.64 = 4,407.84/x
  3. Step 3: Cross multiply
    5,957.28x = 8,918.64 × 4,407.84
  4. Step 4: Simplify right side
    5,957.28x = 39,311,938.14
  5. Step 5: Solve for x
    x = 39,311,938.14/5,957.28
  6. Step 6: Final answer
    x = 6,598.97

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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.