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Finding the Fourth Proportional to 6,628.53, 9,929.36 and 3,065.58

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Solution

The fourth proportional to 6,628.53, 9,929.36 and 3,065.58 is: 4,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.53 : 9,929.36 = 3,065.58 : x
  2. Step 2: Convert to fraction form
    6,628.53/9,929.36 = 3,065.58/x
  3. Step 3: Cross multiply
    6,628.53x = 9,929.36 × 3,065.58
  4. Step 4: Simplify right side
    6,628.53x = 30,439,232.10
  5. Step 5: Solve for x
    x = 30,439,232.10/6,628.53
  6. Step 6: Final answer
    x = 4,592.16

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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.