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Finding the Fourth Proportional to 5,965.40, 8,957.70 and 4,333.40

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Solution

The fourth proportional to 5,965.40, 8,957.70 and 4,333.40 is: 6,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,965.40 : 8,957.70 = 4,333.40 : x
  2. Step 2: Convert to fraction form
    5,965.40/8,957.70 = 4,333.40/x
  3. Step 3: Cross multiply
    5,965.40x = 8,957.70 × 4,333.40
  4. Step 4: Simplify right side
    5,965.40x = 38,817,297.18
  5. Step 5: Solve for x
    x = 38,817,297.18/5,965.40
  6. Step 6: Final answer
    x = 6,507.07

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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.