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Finding the Fourth Proportional to 6,602.27, 9,878.79 and 6,528.46

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Solution

The fourth proportional to 6,602.27, 9,878.79 and 6,528.46 is: 9,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.27 : 9,878.79 = 6,528.46 : x
  2. Step 2: Convert to fraction form
    6,602.27/9,878.79 = 6,528.46/x
  3. Step 3: Cross multiply
    6,602.27x = 9,878.79 × 6,528.46
  4. Step 4: Simplify right side
    6,602.27x = 64,493,285.36
  5. Step 5: Solve for x
    x = 64,493,285.36/6,602.27
  6. Step 6: Final answer
    x = 9,768.35

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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.