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Finding the Fourth Proportional to 4,710.60, 7,065.90 and 4,443.30

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Solution

The fourth proportional to 4,710.60, 7,065.90 and 4,443.30 is: 6,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.60 : 7,065.90 = 4,443.30 : x
  2. Step 2: Convert to fraction form
    4,710.60/7,065.90 = 4,443.30/x
  3. Step 3: Cross multiply
    4,710.60x = 7,065.90 × 4,443.30
  4. Step 4: Simplify right side
    4,710.60x = 31,395,913.47
  5. Step 5: Solve for x
    x = 31,395,913.47/4,710.60
  6. Step 6: Final answer
    x = 6,664.95

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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.