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Finding the Fourth Proportional to 1,582.17, 2,373.53 and 657.24

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Solution

The fourth proportional to 1,582.17, 2,373.53 and 657.24 is: 985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.17 : 2,373.53 = 657.24 : x
  2. Step 2: Convert to fraction form
    1,582.17/2,373.53 = 657.24/x
  3. Step 3: Cross multiply
    1,582.17x = 2,373.53 × 657.24
  4. Step 4: Simplify right side
    1,582.17x = 1,559,975.57
  5. Step 5: Solve for x
    x = 1,559,975.57/1,582.17
  6. Step 6: Final answer
    x = 985.97

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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.