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Finding the Fourth Proportional to 6,957.79, 10,435.69 and 2,277.99

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Solution

The fourth proportional to 6,957.79, 10,435.69 and 2,277.99 is: 3,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.79 : 10,435.69 = 2,277.99 : x
  2. Step 2: Convert to fraction form
    6,957.79/10,435.69 = 2,277.99/x
  3. Step 3: Cross multiply
    6,957.79x = 10,435.69 × 2,277.99
  4. Step 4: Simplify right side
    6,957.79x = 23,772,387.50
  5. Step 5: Solve for x
    x = 23,772,387.50/6,957.79
  6. Step 6: Final answer
    x = 3,416.66

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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.