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Finding the Fourth Proportional to 8,580.53, 11,838.30 and 5,043.08

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Solution

The fourth proportional to 8,580.53, 11,838.30 and 5,043.08 is: 6,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.53 : 11,838.30 = 5,043.08 : x
  2. Step 2: Convert to fraction form
    8,580.53/11,838.30 = 5,043.08/x
  3. Step 3: Cross multiply
    8,580.53x = 11,838.30 × 5,043.08
  4. Step 4: Simplify right side
    8,580.53x = 59,701,493.96
  5. Step 5: Solve for x
    x = 59,701,493.96/8,580.53
  6. Step 6: Final answer
    x = 6,957.79

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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.