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Finding the Fourth Proportional to 1,130.02, 1,695.94 and 582.39

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Solution

The fourth proportional to 1,130.02, 1,695.94 and 582.39 is: 874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.02 : 1,695.94 = 582.39 : x
  2. Step 2: Convert to fraction form
    1,130.02/1,695.94 = 582.39/x
  3. Step 3: Cross multiply
    1,130.02x = 1,695.94 × 582.39
  4. Step 4: Simplify right side
    1,130.02x = 987,697.04
  5. Step 5: Solve for x
    x = 987,697.04/1,130.02
  6. Step 6: Final answer
    x = 874.05

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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.