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Finding the Fourth Proportional to 1,582.66, 2,373 and 607.60

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Solution

The fourth proportional to 1,582.66, 2,373 and 607.60 is: 911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.66 : 2,373 = 607.60 : x
  2. Step 2: Convert to fraction form
    1,582.66/2,373 = 607.60/x
  3. Step 3: Cross multiply
    1,582.66x = 2,373 × 607.60
  4. Step 4: Simplify right side
    1,582.66x = 1,441,834.80
  5. Step 5: Solve for x
    x = 1,441,834.80/1,582.66
  6. Step 6: Final answer
    x = 911.02

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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.