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Finding the Fourth Proportional to 1,582.72, 2,375.36 and 1,006.08

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Solution

The fourth proportional to 1,582.72, 2,375.36 and 1,006.08 is: 1,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.72 : 2,375.36 = 1,006.08 : x
  2. Step 2: Convert to fraction form
    1,582.72/2,375.36 = 1,006.08/x
  3. Step 3: Cross multiply
    1,582.72x = 2,375.36 × 1,006.08
  4. Step 4: Simplify right side
    1,582.72x = 2,389,802.19
  5. Step 5: Solve for x
    x = 2,389,802.19/1,582.72
  6. Step 6: Final answer
    x = 1,509.93

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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.